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https://issues.apache.org/jira/browse/ARROW-8684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17099349#comment-17099349
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Krisztian Szucs commented on ARROW-8684:
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I'll try to take a look at tomorrow.
> [Python] "SystemError: Bad call flags in _PyMethodDef_RawFastCallDict" in
> Python 3.7.7 on macOS when using pyarrow wheel
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: ARROW-8684
> URL: https://issues.apache.org/jira/browse/ARROW-8684
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Wes McKinney
> Priority: Blocker
> Fix For: 1.0.0, 0.17.1
>
>
> [~npr] reported this on the 0.17.0 RC0 vote thread but I have confirmed it
> independently. It was also reported at
> https://github.com/apache/arrow/issues/7082
> Here are steps to reproduce on macOS:
> {code}
> conda create -yn py-3.7-defaults python=3.7 -c defaults
> conda activate py-3.7-defaults
> pip install pyarrow
> {code}
> Now open the Python interpreter, run {{import pyarrow}}, then exit the
> interpreter ({{python -c "import pyarrow"}} didn't trigger it for me):
> {code}
> $ python
> Python 3.7.7 (default, Mar 26 2020, 10:32:53)
> [Clang 4.0.1 (tags/RELEASE_401/final)] :: Anaconda, Inc. on darwin
> Type "help", "copyright", "credits" or "license" for more information.
> >>> import pyarrow
> >>>
> Error in atexit._run_exitfuncs:
> Traceback (most recent call last):
> File "pyarrow/types.pxi", line 2638, in
> pyarrow.lib._unregister_py_extension_types
> SystemError: Bad call flags in _PyMethodDef_RawFastCallDict. METH_OLDARGS is
> no longer supported!
> Segmentation fault: 11
> {code}
> It fails with Python 3.7.6 when using {{-c conda-forge}} also, so it is not
> particular to defaults.
> Frustratingly, the problem doesn't exist in Python 3.7.4 but occurs for me
> with 3.7.5, 3.7.6, and 3.7.7.
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