Add missing `isabstractmethods` attributes in `abc` and `functools`#7205

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JelleZijlstra merged 1 commit intopython:masterfrom

AlexWaygood:abstractmethods

Feb 14, 2022

Commits on Feb 14, 2022

Add missing `__isabstractmethods__` attributes in `abc` and `functools1
AlexWaygood
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