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https://issues.apache.org/jira/browse/BEAM-7395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Innocent reassigned BEAM-7395:
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Assignee: Innocent
> Check immutability violations in Dataflow Runner (as an option)
> ---------------------------------------------------------------
>
> Key: BEAM-7395
> URL: https://issues.apache.org/jira/browse/BEAM-7395
> Project: Beam
> Issue Type: New Feature
> Components: sdk-py-core
> Reporter: Ahmet Altay
> Assignee: Innocent
> Priority: Minor
> Labels: newbie, starter
>
> Users are going to mutate inputs and outputs of DoFn inappropriately. We
> should help their tests fail to catch such mistakes. (Similar to the
> DirectPipelineRunner in Java SDK) This should be offered as an option and
> worked based on sampling because of the cost of these checks.
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