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https://issues.apache.org/jira/browse/BEAM-10980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17257804#comment-17257804
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Beam JIRA Bot commented on BEAM-10980:
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This issue is P2 but has been unassigned without any comment for 60 days so it
has been labeled "stale-P2". If this issue is still affecting you, we care!
Please comment and remove the label. Otherwise, in 14 days the issue will be
moved to P3.
Please see https://beam.apache.org/contribute/jira-priorities/ for a detailed
explanation of what these priorities mean.
> Pickling Generated NamedTuple instances drops custom members
> ------------------------------------------------------------
>
> Key: BEAM-10980
> URL: https://issues.apache.org/jira/browse/BEAM-10980
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Reporter: Brian Hulette
> Priority: P2
> Labels: stale-P2
>
> We assign a custom {{__reduce__}} method and a {{_beam_schema_id}} member to
> generated NamedTuple instances, but these methods are dropped when the
> constructor is pickled and unpickled (as might happen when used in a closure
> with beam.Map or beam.FlatMap)
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