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https://issues.apache.org/jira/browse/ARROW-5645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16917827#comment-16917827
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Simeon H.K. Fitch commented on ARROW-5645:
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This GitHub issue describes the desired end state:
https://github.com/apache/arrow/issues/4802
This feature is important for users of PySpark who want to construct tensors to
feed them to ML libraries such as Keras via `pandas_udf`s.
> [Python] Support inferring nested list types and converting from ndarray with
> ndim > 1
> --------------------------------------------------------------------------------------
>
> Key: ARROW-5645
> URL: https://issues.apache.org/jira/browse/ARROW-5645
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: Wes McKinney
> Priority: Major
>
> Follow up work to ARROW-4350
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