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本例环境如下：
python 版本: 3.7
etcd3 版本: 0.12.0
报错信息：
File "/tools/apps/venv/lib/python3.7/site-packages/etcd3/client.py", line 48, in handler
_translate_exception(exc)
File "/tools/apps/venv/lib/python3.7/site-packages/etcd3/client.py", line 46, in handler
return f(*args, **kwargs)
File "/tools/apps/venv/lib/python3.7/site-packages/etcd3/client.py", line 424, in put
metadata=self.metadata
File "/tools/apps/venv/lib/python3.7/site-packages/grpc/_channel.py", line 946, in __call__
return _end_unary_response_blocking(state, call, False, None)
File "/tools/apps/venv/lib/python3.7/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
status = StatusCode.UNAUTHENTICATED
details = "Established channel does not have a sufficient security level to transfer call credential."
debug_error_string = "{"created":"@1650335047.885697270","description":"Error received from peer 172.0.0.1:8030","file":"src/core/lib/surface/call.cc","file_line":906,"grpc_message":"Established channel does not have a sufficient security level to transfer call credential.","grpc_status":16}"
降级后解决
pip uninstall grpcio
pip install grpcio==1.19.0 以上就是本次分享的全部内容，当初想要学习编程的小伙伴欢送关注 Python 技术大本营，获取更多技能与教程。
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