mypy

gh-154822: Fix racy assertion during finalization (GH-154824) #22819

Job	Run time
Run mypy on Lib/tomllib	17s
Run mypy on Tools/jit	18s
Run mypy on Tools/clinic	19s
Run mypy on Tools/peg_generator	13s
Run mypy on Lib/_pyrepl	18s
Run mypy on Tools/cases_generator	18s
Run mypy on Tools/check-c-api-docs	20s
Run mypy on Lib/test/libregrtest	19s
Run mypy on Tools/build	26s
	2m 48s

Provide feedback