grpc demo error solution

[Mark] error solution

在运行官方quick start教程时,import grpc时报错,错误如下:

>python greeter_client.py 
Traceback (most recent call last):
File "greeter_client.py", line 18, in 
  import grpc
File "/Applications/anaconda3/lib/python3.6/site-packages/grpc/__init__.py", line 22, in 
  from grpc._cython import cygrpc as _cygrpc
ImportError: dlopen(/Applications/anaconda3/lib/python3.6/site-packages/grpc/_cython/cygrpc.cpython-36m-darwin.so, 2): Symbol not found: _deflate
Referenced from: /Applications/anaconda3/lib/python3.6/site-packages/grpc/_cython/cygrpc.cpython-36m-darwin.so
Expected in: flat namespace
in /Applications/anaconda3/lib/python3.6/site-packages/grpc/_cython/cygrpc.cpython-36m-darwin.so

解决方法:
使用conda进行安装,不实用官方推荐的安装方式

conda install grpcio

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