mypy

gh-150042: queue.SimpleQueue.put: fix minor refleak. (GH-150043) #21431

Job	Run time
Run mypy on Tools/clinic	19s
Run mypy on Tools/peg_generator	19s
Run mypy on Lib/test/libregrtest	30s
Run mypy on Lib/_pyrepl	17s
Run mypy on Tools/build	18s
Run mypy on Tools/jit	18s
Run mypy on Tools/cases_generator	16s
Run mypy on Lib/tomllib	17s
Run mypy on Tools/check-c-api-docs	18s
	2m 52s

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