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https://issues.apache.org/jira/browse/BEAM-5731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16768626#comment-16768626
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Ahmet Altay commented on BEAM-5731:
-----------------------------------
[https://github.com/apache/beam/pull/7842] - introduces this as a breaking
change; in line with Python's change to its sorting operations.
Specifically, Top.Of and Top.PerKey will not accept a compare parameter in
python 3.
> Disable compare parameter in Top.Of() combiner when executing in Python 3.
> --------------------------------------------------------------------------
>
> Key: BEAM-5731
> URL: https://issues.apache.org/jira/browse/BEAM-5731
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-py-core
> Reporter: Valentyn Tymofieiev
> Assignee: Robert Bradshaw
> Priority: Minor
> Labels: triaged
> Fix For: 2.11.0
>
>
> Removing `compare` parameter in Top.Of() will be a more consistent API with
> `sorted()` function in Python 3. We should also evaluate whether similar
> changes would be reasonable in other places in Beam SDK.
> See also: https://github.com/apache/beam/pull/6570#issuecomment-429176130.
> cc [~altay] [~juta] [~robertwb]
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