Erro em consulta básica - Max retries exceeded with url

[patrickacioli]

Pessoal,

Estou tentando realizar a implementação do pynfe, preparei o ambiente e tentei rodar o sample de exemplo na documentação, porém é retornado um error. Segue o traceback.

Traceback (most recent call last):
  File "/home/acioli/.local/lib/python3.6/site-packages/urllib3/connection.py", line 160, in _new_conn
    (self._dns_host, self.port), self.timeout, **extra_kw)
  File "/home/acioli/.local/lib/python3.6/site-packages/urllib3/util/connection.py", line 57, in create_connection
    for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):
  File "/usr/lib/python3.6/socket.py", line 745, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -2] Name or service not known

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/acioli/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 603, in urlopen
    chunked=chunked)
  File "/home/acioli/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 344, in _make_request
    self._validate_conn(conn)
  File "/home/acioli/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 843, in _validate_conn
    conn.connect()
  File "/home/acioli/.local/lib/python3.6/site-packages/urllib3/connection.py", line 316, in connect
    conn = self._new_conn()
  File "/home/acioli/.local/lib/python3.6/site-packages/urllib3/connection.py", line 169, in _new_conn
    self, "Failed to establish a new connection: %s" % e)
urllib3.exceptions.NewConnectionError: <urllib3.connection.VerifiedHTTPSConnection object at 0x7f030c8bfc88>: Failed to establish a new connection: [Errno -2] Name or service not known

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/acioli/.local/lib/python3.6/site-packages/requests/adapters.py", line 449, in send
    timeout=timeout
  File "/home/acioli/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 641, in urlopen
    _stacktrace=sys.exc_info()[2])
  File "/home/acioli/.local/lib/python3.6/site-packages/urllib3/util/retry.py", line 399, in increment
    raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='homologacao.nfe.sefaz.mt.gov.br', port=443): Max retries exceeded with url: /nfews/v2/services/NfeStatusServico4?wsdl (Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x7f030c8bfc88>: Failed to establish a new connection: [Errno -2] Name or service not known',))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "teste.py", line 9, in <module>
    xml = con.status_servico('nfe')
  File "/home/acioli/.local/lib/python3.6/site-packages/pynfe/processamento/comunicacao.py", line 266, in status_servico
    return self._post(url, xml)
  File "/home/acioli/.local/lib/python3.6/site-packages/pynfe/processamento/comunicacao.py", line 436, in _post
    raise e
  File "/home/acioli/.local/lib/python3.6/site-packages/pynfe/processamento/comunicacao.py", line 432, in _post
    result = requests.post(url, xml, headers=self._post_header(), cert=chave_cert, verify=False)
  File "/home/acioli/.local/lib/python3.6/site-packages/requests/api.py", line 116, in post
    return request('post', url, data=data, json=json, **kwargs)
  File "/home/acioli/.local/lib/python3.6/site-packages/requests/api.py", line 60, in request
    return session.request(method=method, url=url, **kwargs)
  File "/home/acioli/.local/lib/python3.6/site-packages/requests/sessions.py", line 533, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/acioli/.local/lib/python3.6/site-packages/requests/sessions.py", line 646, in send
    r = adapter.send(request, **kwargs)
  File "/home/acioli/.local/lib/python3.6/site-packages/requests/adapters.py", line 516, in send
    raise ConnectionError(e, request=request)
requests.exceptions.ConnectionError: HTTPSConnectionPool(host='homologacao.nfe.sefaz.mt.gov.br', port=443): Max retries exceeded with url: /nfews/v2/services/NfeStatusServico4?wsdl (Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x7f030c8bfc88>: Failed to establish a new connection: [Errno -2] Name or service not known',))

Percebi que há um relato parecido com esse erro no google groups.

[juniortada]

Corrigido Patrick, obrigado pela contribuição!