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Update flake8 plugins & fix lint failures (#649) #1720

Job	Run time
test-sdist	1m 43s
Self-Check	12s
'mypy' on py3.x	27s
ensure-catalog-matches-hook-config	21s
'py-mindeps' on py3.9	44s
'twine-check' on py3.x	25s
Test on ubuntu, py3.10	3m 3s
Test on ubuntu, py3.12	2m 35s
Test on ubuntu, py3.13	2m 17s
Test on windows, py3.12	4m 5s
Test on ubuntu, py3.9	2m 45s
Test on ubuntu, py3.14	1m 12s
Test on ubuntu, py3.11	2m 47s
Test on macos, py3.10	2m 13s
Test on windows, py3.11	4m 23s
Test on windows, py3.10	4m 34s
Test on macos, py3.14	1m 27s
Test on macos, py3.11	1m 40s
Test on windows, py3.9	4m 34s
Test on macos, py3.12	2m 29s
Test on macos, py3.9	2m 8s
Test on macos, py3.13	1m 35s
Test on windows, py3.14	3m 25s
Test on windows, py3.13	3m 57s
Collate results to check for skipped tests	9s
	55m 10s

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