mypy

gh-148605: Remove irepeat() thread test from test_bytes (#150576) #21659

Job	Run time
Run mypy on Lib/tomllib	19s
Run mypy on Tools/clinic	17s
Run mypy on Lib/test/libregrtest	20s
Run mypy on Lib/_pyrepl	20s
Run mypy on Tools/build	20s
Run mypy on Tools/cases_generator	17s
Run mypy on Tools/check-c-api-docs	17s
Run mypy on Tools/jit	20s
Run mypy on Tools/peg_generator	16s
	2m 46s

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