Basic Python route_guide gRPC example is not working with latest library versions

[Pet3ris]

What version of gRPC and what language are you using?

Python

Name: grpcio
Version: 1.13.0
Summary: HTTP/2-based RPC framework
Home-page: https://grpc.io
Author: The gRPC Authors
Author-email: grpc-io@googlegroups.com
License: Apache License 2.0
Location: /Users/p/anaconda/envs/py36/lib/python3.6/site-packages
Requires: six
Required-by: grpcio-tools

What operating system (Linux, Windows, …) and version?

ProductName:	Mac OS X
ProductVersion:	10.11.6
BuildVersion:	15G31

What runtime / compiler are you using (e.g. python version or version of gcc)

Python 3.6.1 :: Anaconda custom (x86_64)

What did you do?

pip install grpcio grpcio-tools
git clone https://github.com/grpc/grpc.git
cd grpc/examples/python/route_guide
python run_codegen.py # Everything breaks whether I include this step or not
python route_guide_server.py

Then in a separate window:

python route_guide_client.py

What did you expect to see?

Successful execution.

What did you see instead?

-------------- GetFeature --------------
Traceback (most recent call last):
  File "route_guide_client.py", line 119, in <module>
    run()
  File "route_guide_client.py", line 109, in run
    guide_get_feature(stub)
  File "route_guide_client.py", line 48, in guide_get_feature
    latitude=409146138, longitude=-746188906))
  File "route_guide_client.py", line 34, in guide_get_one_feature
    feature = stub.GetFeature(point)
  File "/Users/p/anaconda/envs/py36/lib/python3.6/site-packages/grpc/_channel.py", line 514, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/Users/p/anaconda/envs/py36/lib/python3.6/site-packages/grpc/_channel.py", line 448, in _end_unary_response_blocking
    raise _Rendezvous(state, None, None, deadline)
grpc._channel._Rendezvous: <_Rendezvous of RPC that terminated with:
	status = StatusCode.UNIMPLEMENTED
	details = "Method not found!"
	debug_error_string = "{"created":"@1530451116.454542000","description":"Error received from peer","file":"src/core/lib/surface/call.cc","file_line":1083,"grpc_message":"Method not found!","grpc_status":12}"
>

Anything else we should know about your project / environment?

[Pet3ris]

Sorry - realised that port 50051 was occupied!