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https://issues.apache.org/jira/browse/ARROW-2007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16340585#comment-16340585
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ASF GitHub Bot commented on ARROW-2007:
---------------------------------------

wesm commented on issue #1509: ARROW-2007: [Python] Implement float32 
conversions, use NumPy dtype when possible for inner arrays
URL: https://github.com/apache/arrow/pull/1509#issuecomment-360686402
 
 
   Shoot, need to pin Appveyor also. @xhochy I'm handling the thrift-cpp 
pinning here, feel free to merge once appveyor is OK

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> [Python] Sequence converter for float32 not implemented
> -------------------------------------------------------
>
>                 Key: ARROW-2007
>                 URL: https://issues.apache.org/jira/browse/ARROW-2007
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Python
>            Reporter: Wes McKinney
>            Assignee: Wes McKinney
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.9.0
>
>
> See bug report in [https://github.com/apache/arrow/issues/1431,] example
> {code:java}
> import pyarrow as pa
> l = [[1.2, 3.4], [9.0, 42.0]]
> pa.array(l, type=pa.list_(pa.float32())){code}
>  



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