[jira] [Resolved] (ARROW-10260) [Python] Missing MapType to Pandas dtype

["Krisztian Szucs (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-10260?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Krisztian Szucs resolved ARROW-10260.
-------------------------------------
    Resolution: Fixed

Issue resolved by pull request 8422
[https://github.com/apache/arrow/pull/8422]

> [Python] Missing MapType to Pandas dtype
> ----------------------------------------
>
>                 Key: ARROW-10260
>                 URL: https://issues.apache.org/jira/browse/ARROW-10260
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Python
>            Reporter: Bryan Cutler
>            Assignee: Derek Marsh
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 2.0.0
>
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> The Map type conversion to Pandas done in ARROW-10151 forgot to add dtype mapping for {{to_pandas_dtype()}}
>  
> {code:java}
> In [2]: d = pa.map_(pa.int64(), pa.float64())                                                                                In [3]: d.to_pandas_dtype()                                                                                                  
> ---------------------------------------------------------------------------
> NotImplementedError                       Traceback (most recent call last)
> <ipython-input-3-08beaa635a3e> in <module>
> ----> 1 d.to_pandas_dtype()~/miniconda2/envs/pyarrow-test/lib/python3.7/site-packages/pyarrow/types.pxi in pyarrow.lib.DataType.to_pandas_dtype()NotImplementedError: map<int64, double>{code}



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