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https://issues.apache.org/jira/browse/BEAM-9508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17548608#comment-17548608
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Danny McCormick commented on BEAM-9508:
---------------------------------------
This issue has been migrated to https://github.com/apache/beam/issues/20232
> Python installation fails if grpc_tools is not installed
> --------------------------------------------------------
>
> Key: BEAM-9508
> URL: https://issues.apache.org/jira/browse/BEAM-9508
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Reporter: David Yan
> Priority: P3
>
> When installing from master branch, I'm getting an exception below. Looks
> like the ImportError exception handling throws an exception itself. I'll
> manually install grpc_tools and try again but the handling of ImportError has
> issues.
>
> ```
> Traceback (most recent call last):
> File
> "/root/apache-beam-custom/packages/beam/sdks/python/gen_protos.py", line 292,
> in generate_proto_files
> from grpc_tools import protoc
> ModuleNotFoundError: No module named 'grpc_tools'
>
> During handling of the above exception, another exception occurred:
>
> Traceback (most recent call last):
> File "/opt/conda/lib/python3.7/multiprocessing/process.py", line 297,
> in _bootstrap
> self.run()
> File "/opt/conda/lib/python3.7/multiprocessing/process.py", line 99, in
> run
> self._target(*self._args, **self._kwargs)
> File
> "/root/apache-beam-custom/packages/beam/sdks/python/gen_protos.py", line 378,
> in _install_grpcio_tools_and_generate_proto_files
> generate_proto_files(force=force)
> File
> "/root/apache-beam-custom/packages/beam/sdks/python/gen_protos.py", line 315,
> in generate_proto_files
> protoc_gen_mypy = _find_protoc_gen_mypy()
> File
> "/root/apache-beam-custom/packages/beam/sdks/python/gen_protos.py", line 233,
> in _find_protoc_gen_mypy
> (fname, ', '.join(search_paths)))
> RuntimeError: Could not find protoc-gen-mypy in
> /root/apache-beam-custom/bin, /root/apache-beam-custom/bin, /usr/local/bin,
> /opt/conda/bin, /usr/local/sbin, /usr/local/bin, /usr/sbin, /usr/bin, /sbin,
> /bin
> ```
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