[issue46070] _PyImport_FixupExtensionObject() regression causing a crash in subintepreters

[STINNER Victor]

Change by STINNER Victor <vstinner at python.org>:


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title: broken subinterpreters -> _PyImport_FixupExtensionObject() regression causing a crash in subintepreters

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue46070>
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