Test

fix chunk/shard iteration #5129

Job	Run time
py=3.11-min_deps	13m 32s
doctests	1m 15s
py=3.13-upstream	11m 34s
os=ubuntu-latest, py=3.11, np=2.2, deps=minimal	4m 38s
os=ubuntu-latest, py=3.11, np=1.26, deps=optional	6m 31s
os=ubuntu-latest, py=3.11, np=1.26, deps=minimal	4m 38s
os=ubuntu-latest, py=3.12, np=1.26, deps=optional	6m 31s
os=ubuntu-latest, py=3.12, np=2.2, deps=optional	6m 7s
os=ubuntu-latest, py=3.13, np=2.2, deps=optional	6m 58s
os=ubuntu-latest, py=3.13, np=1.26, deps=minimal	8m 33s
os=ubuntu-latest, py=3.12, np=2.2, deps=minimal	4m 43s
os=ubuntu-latest, py=3.13, np=1.26, deps=optional	10m 19s
os=macos-latest, py=3.13, np=2.2, deps=optional	5m 10s
os=windows-latest, py=3.13, np=2.2, deps=optional	10m 22s
os=macos-latest, py=3.11, np=1.26, deps=optional	5m 15s
os=ubuntu-latest, py=3.11, np=2.2, deps=optional	6m 28s
os=ubuntu-latest, py=3.12, np=1.26, deps=minimal	5m 9s
os=ubuntu-latest, py=3.13, np=2.2, deps=minimal	5m 18s
os=windows-latest, py=3.11, np=1.26, deps=optional	11m 21s
Test complete	2s
	2h 14m 24s

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