[jira] [Created] (FLINK-28388) Python doc build breaking nightly docs

["Márton Balassi (Jira)" <ji...@apache.org>]

Márton Balassi created FLINK-28388:
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             Summary: Python doc build breaking nightly docs
                 Key: FLINK-28388
                 URL: https://issues.apache.org/jira/browse/FLINK-28388
             Project: Flink
          Issue Type: Bug
          Components: Documentation
    Affects Versions: 1.15
            Reporter: Márton Balassi


For the past 5 days the nightly doc builds via GHA are broken:

https://github.com/apache/flink/actions/workflows/docs.yml

{noformat}
Exception occurred:
  File "/root/flink/flink-python/pyflink/java_gateway.py", line 86, in launch_gateway
    raise Exception("It's launching the PythonGatewayServer during Python UDF execution "
Exception: It's launching the PythonGatewayServer during Python UDF execution which is unexpected. It usually happens when the job codes are in the top level of the Python script file and are not enclosed in a `if name == 'main'` statement.
The full traceback has been saved in /tmp/sphinx-err-3thh_wi2.log, if you want to report the issue to the developers.
Please also report this if it was a user error, so that a better error message can be provided next time.
A bug report can be filed in the tracker at <https://github.com/sphinx-doc/sphinx/issues>. Thanks!
Makefile:76: recipe for target 'html' failed
make: *** [html] Error 2
==========sphinx checks... [FAILED]===========
Error: Process completed with exit code 1.
{noformat}





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