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https://issues.apache.org/jira/browse/ARROW-2008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16361073#comment-16361073
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Wes McKinney commented on ARROW-2008:
-------------------------------------

(need to add some unit tests, though)

> [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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