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Posted to issues@beam.apache.org by "Udi Meiri (Jira)" <ji...@apache.org> on 2019/10/24 18:21:00 UTC

[jira] [Created] (BEAM-8473) Python typehints: spurious warnings for Generator None args

Udi Meiri created BEAM-8473:
-------------------------------

             Summary: Python typehints: spurious warnings for Generator None args
                 Key: BEAM-8473
                 URL: https://issues.apache.org/jira/browse/BEAM-8473
             Project: Beam
          Issue Type: Bug
          Components: sdk-py-core
            Reporter: Udi Meiri
            Assignee: Udi Meiri


GeneratorHint outputs warnings if the 2 last args of typing.Generator are not None.
1. Compare to type(None) instead of None, since that's what the code converts those to. (assert on logging output)
2. Bug: comparing send_type in both cases.
https://github.com/apache/beam/blob/06fa1cc2a92a6f4f0e05f162ee2eb78b072920d9/sdks/python/apache_beam/typehints/typehints.py#L1088-L1091



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