[issue44050] [subinterpreters] _PyImport_FixupExtensionObject() regression in Python 3.9

[Łukasz Langa]

Change by Łukasz Langa <lukasz at langa.pl>:


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pull_requests: +27088
pull_request: https://github.com/python/cpython/pull/28741

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue44050>
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