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https://issues.apache.org/jira/browse/ARROW-2008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16361070#comment-16361070
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Wes McKinney commented on ARROW-2008:
-------------------------------------
I think this was fixed in
https://github.com/apache/arrow/commit/f680dac68ef5bc911499ae0b62e14c46046816a1#diff-13962e30625f47dee9b1a44c362d6c3a
> [Python] Type inference for int32 NumPy arrays (expecting list<int32>)
> returns int64 and then conversion fails
> --------------------------------------------------------------------------------------------------------------
>
> Key: ARROW-2008
> URL: https://issues.apache.org/jira/browse/ARROW-2008
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Wes McKinney
> Priority: Major
> Fix For: 0.9.0
>
>
> See report in [https://github.com/apache/arrow/issues/1430]
> {{arrow::py::InferArrowType}} is called, when traverses the array as though
> it were any other Python sequence, and NumPy int32 scalars are not recognized
> as such
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