Traceback:    File"/usr/local/lib/python3.6/site-packages/urllib3/",line677,inurlopen    chunked=chunked,    File"/usr/local/lib/python3.6/site-packages/urllib3/",line381,in_e_request    self._validate_conn    File"/usr/local/lib/python3.6/site-packages/urllib3/",line976,in_validate_conn    nect    File"/usr/local/lib/python3.6/site-packages/urllib3/",line370,inconnect    ssl_context=context,    File"/usr/local/lib/python3.6/site-packages/urllib3/util/ssl_.py",line377,inssl_wrap_socket    p_socket    File"/usr/local/lib/python3.6/",line814,in__init__    _handshake    File"/usr/local/lib/python3.6/",line1068,indo_handshake    self.__handshake    File"/usr/local/lib/python3.6/",line689,indo_handshake    self.__handshake    EOFError:EOFoccurredinviolationofprotocol    Duringhandlingoftheaboveexception,anotherexceptionoccurred:    Traceback:    File"/usr/local/lib/python3.6/site-packages/requests/",line449,insend    tiut=tiut    File"/usr/local/lib/python3.6/site-packages/urllib3/",line725,inurlopen