Valentyn Tymofieiev created BEAM-5069:
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Summary: Incorrect string type check in
_OutputProcessor.process_outputs.
Key: BEAM-5069
URL: https://issues.apache.org/jira/browse/BEAM-5069
Project: Beam
Issue Type: Bug
Components: sdk-py-core
Affects Versions: 2.6.0
Reporter: Valentyn Tymofieiev
Assignee: Valentyn Tymofieiev
Due to _# cython: language_level=3_ directive in
[common.py|https://github.com/apache/beam/blob/8f1d86ea7bd5b118bc7e638d4d484445101526a1/sdks/python/apache_beam/runners/common.py#L18],
the type check in
[common.py|https://github.com/apache/beam/blob/8f1d86ea7bd5b118bc7e638d4d484445101526a1/sdks/python/apache_beam/runners/common.py#L729]
does not recognize Python 2 strings, which have type 'bytes'.
This causes pipelines to crash when this codepath is executed in Cythonized
version of the SDK.
The regression happened during ongoing efforts to make Beam codebase Python 3
compatible.
The fix will need to be cherry-picked into the 2.6.0 release.
Working on the fix.
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