mypy

gh-84649: Make TimedRotatingFileHandler use CTIME instead of MTIME (G… #21725

Job	Run time
Run mypy on Tools/clinic	22s
Run mypy on Tools/cases_generator	20s
Run mypy on Tools/build	18s
Run mypy on Lib/_pyrepl	20s
Run mypy on Tools/peg_generator	17s
Run mypy on Lib/test/libregrtest	19s
Run mypy on Lib/tomllib	20s
Run mypy on Tools/check-c-api-docs	20s
Run mypy on Tools/jit	18s
	2m 54s

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