mypy

gh-150700: Fix class-scope inline comprehensions when nested scopes r… #21806

Job	Run time
Run mypy on Lib/_pyrepl	18s
Run mypy on Lib/test/libregrtest	18s
Run mypy on Tools/jit	20s
Run mypy on Tools/cases_generator	19s
Run mypy on Tools/peg_generator	20s
Run mypy on Tools/build	18s
Run mypy on Tools/check-c-api-docs	17s
Run mypy on Lib/tomllib	18s
Run mypy on Tools/clinic	22s
	2m 50s

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