gh-144873: Document isinstance Optimization#144997

Open

George-Ogden wants to merge 2 commits intopython:mainfrom

George-Ogden:gh-144873v2

Commits on Feb 19, 2026

Update documentation to describe type(instance) is cls edge case of __instancecheck__
George-Ogden
committed
Update internal documentation to describe type(instance) is cls edge case of PyObject_IsInstance
George-Ogden
committed