mypy

gh-129005: Remove copies from _pyio using take_bytes (#141539) #18020

Job	Run time
Run mypy on Tools/build	22s
Run mypy on Tools/peg_generator	21s
Run mypy on Lib/tomllib	21s
Run mypy on Lib/_pyrepl	24s
Run mypy on Tools/clinic	18s
Run mypy on Lib/test/libregrtest	24s
Run mypy on Tools/cases_generator	18s
Run mypy on Tools/jit	17s
	2m 45s

Provide feedback