mypy

gh-145563: Add thread-safety annotation for PyCapsule C-API (#146612) #20287

Job	Run time
Run mypy on Lib/tomllib	17s
Run mypy on Tools/clinic	18s
Run mypy on Lib/_pyrepl	19s
Run mypy on Tools/build	18s
Run mypy on Tools/peg_generator	17s
Run mypy on Tools/check-c-api-docs	17s
Run mypy on Tools/jit	19s
Run mypy on Lib/test/libregrtest	20s
Run mypy on Tools/cases_generator	19s
	2m 44s

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