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https://issues.apache.org/jira/browse/SPARK-28652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16904743#comment-16904743
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Liang-Chi Hsieh commented on SPARK-28652:
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As existing tests don't explicitly check the Python version at executor side, I
patched existing test to check Python version at executor side.
> spark.kubernetes.pyspark.pythonVersion is never passed to executors
> -------------------------------------------------------------------
>
> Key: SPARK-28652
> URL: https://issues.apache.org/jira/browse/SPARK-28652
> Project: Spark
> Issue Type: Bug
> Components: Kubernetes
> Affects Versions: 2.4.3
> Reporter: nanav yorbiz
> Priority: Major
>
> I suppose this may not be a priority with Python2 on its way out, but given
> that this setting is only ever sent to the driver and not the executors, no
> actual work can be performed when the versions don't match, which will tend
> to be *always* with the default setting for the driver being changed from 2
> to 3, and the executors using `python`, which defaults to v2, by default.
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