mypy

67c39690 - Sync Typeshed (for 1.9 release) (#16844)

Sync Typeshed (for 1.9 release) (#16844) Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com> Co-authored-by: AlexWaygood <alex.waygood@gmail.com>