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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