tests

Fix flake8-bugbear warnings #3683

Job	Run time
test_cygwin (39, windows-latest)	14m 6s
collateral (diffcov)	5m 53s
test (3.8, ubuntu-latest)	2m 55s
collateral (docs)	1m 1s
test (3.8, macos-latest)	3m 12s
test (3.8, windows-latest)	3m 1s
test (3.11, ubuntu-latest)	3m 11s
test (3.11, macos-latest)	3m 8s
test (3.11, windows-latest)	3m 0s
test (3.12, ubuntu-latest)	3m 16s
test (3.12, macos-latest)	3m 10s
test (3.12, windows-latest)	3m 1s
test (3.9, ubuntu-latest)	3m 12s
test (3.10, ubuntu-latest)	3m 11s
test (pypy3.10, ubuntu-latest, stdlib)	3m 13s
test (ubuntu-latest, 3.10, stdlib)	3m 10s
integration-test	0s
check	2s
release	0s
	1h 1m 42s

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