[issue16575] ctypes: unions as arguments

[Ammar Askar]

Change by Ammar Askar <ammar at ammaraskar.com>:


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pull_requests: +16572
stage: resolved -> patch review
pull_request: https://github.com/python/cpython/pull/17064

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue16575>
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