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https://issues.apache.org/jira/browse/ARROW-736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney reassigned ARROW-736:
----------------------------------
Assignee: Wes McKinney (was: Phillip Cloud)
> [Python] Mixed-type object DataFrame columns should not silently coerce to an
> Arrow type by default
> ---------------------------------------------------------------------------------------------------
>
> Key: ARROW-736
> URL: https://issues.apache.org/jira/browse/ARROW-736
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Wes McKinney
> Assignee: Wes McKinney
> Fix For: 0.3.0
>
>
> {code}
> In [4]: df = pd.DataFrame({'a': ['a', 1, 2.0]})
> In [5]: df
> Out[5]:
> a
> 0 a
> 1 1
> 2 2
> In [6]: pt = pa.Table.from_pandas(df)
> In [7]: pt.to_pandas()
> Out[7]:
> a
> 0 a
> 1 None
> 2 None
> {code}
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