fix docstrings #5559

Job	Run time
API doc completeness test (ubuntu-latest, 3.9)	29s
API doc completeness test (ubuntu-latest, 3.9)	29s
Test coverage (ubuntu-latest, 3.10, <6, <2, <1.23)	7m 43s
Test coverage (ubuntu-latest, 3.10, <6, <2, <1.23)	7m 43s
Test minimal env (ubuntu-latest, 3.10)	51s
Test minimal env (ubuntu-latest, 3.10)	51s
Doc test (ubuntu-latest, 3.9)	48s
Doc test (ubuntu-latest, 3.9)	48s
Style check (ubuntu-latest, 3.9)	19s
Style check (ubuntu-latest, 3.9)	19s
Unit tests (ubuntu-latest, 3.9, ==5.0, ==1.1.6, <1.23)	6m 6s
Unit tests (ubuntu-latest, 3.9, ==5.0, ==1.1.6, <1.23)	5m 54s
Unit tests (ubuntu-latest, 3.9, ==5.0, <2, <1.23)	5m 35s
Unit tests (ubuntu-latest, 3.9, ==5.0, <2, <1.23)	5m 35s
Unit tests (ubuntu-latest, 3.9, <6, ==1.1.6, <1.23)	6m 3s
Unit tests (ubuntu-latest, 3.9, <6, ==1.1.6, <1.23)	6m 3s
Unit tests (ubuntu-latest, 3.9, <6, <2, <1.23)	5m 35s
Unit tests (ubuntu-latest, 3.9, <6, <2, <1.23)	5m 35s
Unit tests (ubuntu-latest, 3.10, ==5.0, ==1.1.6, <1.23)	5m 58s
Unit tests (ubuntu-latest, 3.10, ==5.0, ==1.1.6, <1.23)	5m 58s
Unit tests (ubuntu-latest, 3.10, ==5.0, <2, <1.23)	5m 29s
Unit tests (ubuntu-latest, 3.10, ==5.0, <2, <1.23)	5m 29s
Unit tests (ubuntu-latest, 3.10, <6, ==1.1.6, <1.23)	5m 37s
Unit tests (ubuntu-latest, 3.10, <6, ==1.1.6, <1.23)	5m 37s
Unit tests (ubuntu-latest, 3.10, <6, <2, <1.23)	5m 43s
Unit tests (ubuntu-latest, 3.10, <6, <2, <1.23)	5m 43s
	1h 52m 20s

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