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https://issues.apache.org/jira/browse/ARROW-1891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney resolved ARROW-1891.
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Resolution: Fixed
Issue resolved by pull request 1399
[https://github.com/apache/arrow/pull/1399]
> [Python] NaT date32 values are only converted to nulls if from_pandas is used
> -----------------------------------------------------------------------------
>
> Key: ARROW-1891
> URL: https://issues.apache.org/jira/browse/ARROW-1891
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Uwe L. Korn
> Assignee: Wes McKinney
> Labels: pull-request-available
> Fix For: 0.8.0
>
>
> {code}
> np.array([None, date(2017, 4, 4)], dtype='datetime64[D]')
> pa.array(expected, from_pandas=True) -> [null, 2017-4-4]
> pa.array(expected, from_pandas=True) -> [1970-1-1, 2017-4-4]
> {code}
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