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https://issues.apache.org/jira/browse/BEAM-9445?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ismaël Mejía updated BEAM-9445:
-------------------------------
    Status: Open  (was: Triage Needed)

> Preoptimize causes error with environment setup
> -----------------------------------------------
>
>                 Key: BEAM-9445
>                 URL: https://issues.apache.org/jira/browse/BEAM-9445
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-py-core
>            Reporter: Kyle Weaver
>            Assignee: Ankur Goenka
>            Priority: Major
>
> Setting --experiments=pre_optimize=all causes an error with StatisticsGen in 
> the TFX taxi example pipeline [1]:
>   File 
> "[redacted]/apache_beam/runners/portability/fn_api_runner_transforms.py", 
> line 250, in executable_stage_transform
>     environment=components.environments[self.environment],
> TypeError: None has type NoneType, but expected one of: bytes, unicode [while 
> running 'Run[StatisticsGen]']
> cc [~angoenka]
> [1] 
> https://github.com/tensorflow/tfx/blob/ff314a6803675548c89a016a5110a91e5bf98024/tfx/examples/chicago_taxi_pipeline/taxi_pipeline_portable_beam.py#L155



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