Problemas com a Manifestação NFe.

[araketu]

Opa! Eu estou tendo a seguinte resposta ao tentar manifestar uma nota. Acredito ser um problema de biblioteca do python 3.6. Já teria passo por isso ?

  NF-e versao... 3.10
  Conectando ao servico SEFAZ.........
  servidor:  www.sefazvirtual.fazenda.gov.br
  url:  RecepcaoEvento/RecepcaoEvento.asmx
Traceback (most recent call last):
  File "nfe.py", line 67, in <module>
    manifest.manifest_nfe(cnpj[i]['cnpj'], certificado[i]['certificado'].tobytes(), senha[i]['senha_certificado'], "53190802914460006272550010008971121316878555")
  File "/opt/apps/nfe/NFELib/lib/manifest.py", line 35, in manifest_nfe
    processo = nova_nfe.efetuar_manifesto(cnpj=str(cnpj), tipo_manifesto=tipo_manifesto, chave=str(chave), ambiente_nacional=True, cert=info_certificado['cert'], key=info_certificado['key'], versao=u'2.00', ambiente=1, estado=u'DF', contingencia=False)
  File "/usr/lib/python3.6/site-packages/PySIGNFe-0.1.0-py3.6.egg/pysignfe/nf_e.py", line 311, in efetuar_manifesto
    processo = p.efetuar_manifesto_destinatario(cnpj=cnpj, tipo_manifesto=tipo_manifesto, chave_nfe=chave, justificativa=justificativa, ambiente_nacional=ambiente_nacional)
  File "/usr/lib/python3.6/site-packages/PySIGNFe-0.1.0-py3.6.egg/pysignfe/nfe/processador_nfe.py", line 609, in efetuar_manifesto_destinatario
    processo = self.enviar_lote_evento(tipo_evento='confrec', lista_eventos=[evento], numero_lote=numero_lote)
  File "/usr/lib/python3.6/site-packages/PySIGNFe-0.1.0-py3.6.egg/pysignfe/nfe/processador_nfe.py", line 529, in enviar_lote_evento
    self._conectar_servico(WS_NFE_EVENTO, envio, resposta)
  File "/usr/lib/python3.6/site-packages/PySIGNFe-0.1.0-py3.6.egg/pysignfe/nfe/processador_nfe.py", line 170, in _conectar_servico
    con.request(u'POST', u'/' + self._url, self._soap_envio.xml.encode(u'utf-8'), self._soap_envio.header)
  File "/usr/lib64/python3.6/http/client.py", line 1239, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/usr/lib64/python3.6/http/client.py", line 1285, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/usr/lib64/python3.6/http/client.py", line 1234, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/lib64/python3.6/http/client.py", line 1026, in _send_output
    self.send(msg)
  File "/usr/lib64/python3.6/http/client.py", line 964, in send
    self.connect()
  File "/usr/lib64/python3.6/http/client.py", line 1400, in connect
    server_hostname=server_hostname)
  File "/usr/lib64/python3.6/ssl.py", line 407, in wrap_socket
    _context=self, _session=session)
  File "/usr/lib64/python3.6/ssl.py", line 817, in __init__
    self.do_handshake()
  File "/usr/lib64/python3.6/ssl.py", line 1077, in do_handshake
    self._sslobj.do_handshake()
  File "/usr/lib64/python3.6/ssl.py", line 689, in do_handshake
    self._sslobj.do_handshake()
ssl.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:852)