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Posted to issues@beam.apache.org by "Kenneth Knowles (Jira)" <ji...@apache.org> on 2021/03/31 22:18:00 UTC

[jira] [Updated] (BEAM-11882) Avoid returning bare lists for iterables in CombineFn.merge_accumulators

     [ https://issues.apache.org/jira/browse/BEAM-11882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kenneth Knowles updated BEAM-11882:
-----------------------------------
    Status: Open  (was: Triage Needed)

> Avoid returning bare lists for iterables in CombineFn.merge_accumulators
> ------------------------------------------------------------------------
>
>                 Key: BEAM-11882
>                 URL: https://issues.apache.org/jira/browse/BEAM-11882
>             Project: Beam
>          Issue Type: New Feature
>          Components: sdk-py-core
>            Reporter: Robert Bradshaw
>            Priority: P2
>
> The only contract here is that what is returned here is an iterable. We should avoid returning a more concrete class to better set expectations when running on distributed runners.



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