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Posted to jira@arrow.apache.org by "Jongbin Park (Jira)" <ji...@apache.org> on 2021/02/01 02:02:00 UTC

[jira] [Created] (ARROW-11450) [Python] pyarrow<3 incompatible with numpy>=1.20.0

Jongbin Park created ARROW-11450:
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             Summary: [Python] pyarrow<3 incompatible with numpy>=1.20.0
                 Key: ARROW-11450
                 URL: https://issues.apache.org/jira/browse/ARROW-11450
             Project: Apache Arrow
          Issue Type: Bug
         Environment: python>=3.7
Debian 5.7 x86_64
            Reporter: Jongbin Park


pyarrow 1.0 and 2.0 is not compatible with numpy 1.20.0

Running the following command would fail:

{{pa.array(np.arange(10))}}

with error

{{pyarrow.lib.ArrowTypeError: Did not pass numpy.dtype object}}

Numpy release note [[link|[https://numpy.org/doc/1.20/release/1.20.0-notes.html#compatibility-notes]]] mentions about the np.dtype related compatibility breaks. Also there is a C API change, which implies numpy dependency constraints should be tighter (whether <=1.20 or >1.20) depending on the compiled numpy version.



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