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3.12 regression: cannot create weak reference to 'typing.TypeVar' object #106403

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JelleZijlstra
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3.12only security fixes3.13bugs and security fixestopic-typingtype-bugAn unexpected behavior, bug, or error
@encukou

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@encukou

This works in Python 3.11, but fails in 3.12b3:

importweakrefimporttypingweakref.ref(typing.TypeVar('T'))

I'm assuming it's an unintentional side effect of thePEP-695 implementation? Unfortunately I don't have time to investigate right now, let me know if I should.

Reported incloudpipe/cloudpickle#507

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3.12only security fixes3.13bugs and security fixestopic-typingtype-bugAn unexpected behavior, bug, or error

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