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https://issues.apache.org/jira/browse/ARROW-5179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17662202#comment-17662202
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Rok Mihevc commented on ARROW-5179:
-----------------------------------

This issue has been migrated to [issue 
#21656|https://github.com/apache/arrow/issues/21656] on GitHub. Please see the 
[migration documentation|https://github.com/apache/arrow/issues/14542] for 
further details.

> [Python] Return plain dicts, not OrderedDict, on Python 3.7+
> ------------------------------------------------------------
>
>                 Key: ARROW-5179
>                 URL: https://issues.apache.org/jira/browse/ARROW-5179
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Python
>    Affects Versions: 0.13.0
>            Reporter: Antoine Pitrou
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.14.0
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> On Python 3.7 and onwards, builtin dict is guaranteed to be 
> insertion-ordered. So there's no need to return a OrderedDict anymore.
> (builtin dict is slightly smaller, faster, and can have a nicer repr output)



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