Use PEP 661 Sentinel for internal sentinel
#657
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Contributor
Author
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Huh, incidentally the It's last use (and it's global instance) were removed in python/cpython#136332 |
Contributor
Author
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Opened python/cpython#138120 |
JelleZijlstra
approved these changes
Aug 24, 2025
Member
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Let's merge this after the non-RC release goes out tomorrow. |
Collaborator
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Hmm, would we revert if PEP 661 was rejected? |
Member
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If so, we'd likely keep Sentinel around in typing-extensions indefinitely for compatibility, and there's no real compatibility problem with changing this internal sentinel back to an internal class. |
AlexWaygood
reviewed
Aug 25, 2025
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
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c.f. #656 (comment)