---------------------------------------------------------------------------
_Rendezvous Traceback (most recent call last)
<ipython-input-10-53b1ea4b16be> in <module>()
2 channel = grpc.insecure_channel('{}:{}'.format(address, str(port)))
3 stub = interface_pb2_grpc.KarpsMainStub(channel)
----> 4 stub.CreateSession(interface_pb2.CreateSessionRequest())
~/.local/share/virtualenvs/karps-python-NPcrF1gX/lib/python3.5/site-packages/grpc/_channel.py in __call__(self, request, timeout, metadata, credentials)
490 state, call, deadline = self._blocking(request, timeout, metadata,
491 credentials)
--> 492 return _end_unary_response_blocking(state, call, False, deadline)
493
494 def with_call(self, request, timeout=None, metadata=None, credentials=None):
~/.local/share/virtualenvs/karps-python-NPcrF1gX/lib/python3.5/site-packages/grpc/_channel.py in _end_unary_response_blocking(state, call, with_call, deadline)
438 return state.response
439 else:
--> 440 raise _Rendezvous(state, None, None, deadline)
441
442
_Rendezvous: <_Rendezvous of RPC that terminated with (StatusCode.UNKNOWN, )>