mypy

gh-137400: Fix a crash when disabling profiling across all threads (g… #9472

Job	Run time
Run mypy on Lib/_pyrepl	20s
Run mypy on Lib/test/libregrtest	20s
Run mypy on Tools/build	17s
Run mypy on Tools/clinic	19s
Run mypy on Lib/tomllib	20s
Run mypy on Tools/jit	15s
Run mypy on Tools/peg_generator	17s
Run mypy on Tools/cases_generator	16s
	2m 24s

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