Cython perf simplification #1456

Job	Run time
runnable	0s
lint / lint	25s
test (3.9, true, true, ubuntu-latest)	8m 7s
test (3.9, true, true, macos-13)	14m 18s
test (3.9, true, false, ubuntu-latest)	7m 50s
test (3.9, true, false, macos-13)	12m 0s
test (3.9, true, false, macos-latest)	5m 14s
test (3.9, false, false, ubuntu-latest)	6m 42s
test (3.9, false, false, macos-13)	16m 40s
test (3.9, false, false, macos-latest)	5m 5s
test (3.13, true, false, ubuntu-latest)	10m 39s
test (3.13, true, false, macos-13)	19m 6s
test (3.13, true, false, macos-latest)	7m 11s
	1h 53m 17s

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