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gh-144873: Document isinstance Optimization#144997
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George-Ogden wants to merge 2 commits intopython:mainfrom
Open
gh-144873: Document isinstance Optimization#144997George-Ogden wants to merge 2 commits intopython:mainfrom
George-Ogden wants to merge 2 commits intopython:mainfrom
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…case of PyObject_IsInstance
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Fixes#144873 and#79264 by describing the optimization where
type(instance) is clsduringinistance(instance, cls). It describes that__instancecheck__is not called in this scenario.isinstance#144873📚 Documentation preview 📚:https://cpython-previews--144997.org.readthedocs.build/