FIX-#7113: Fix docstring overrides for subclasses. #16022

Job	Run time
execution-filter	7s
python-filter	1s
lint (mypy)	2m 16s
Test API, headers and no-engine mode	1m 53s
lint (flake8)	15s
test-clean-install-ubuntu	3m 46s
test-internals	7m 4s
Test BaseOnPython execution, Python 3.9"	16m 29s
test-clean-install-windows	2m 10s
test-ubuntu (engine python, python 3.9, group_1)	20m 20s
test experimental	9m 26s
test-windows (engine python, python 3.9, group_1)	45m 16s
test-ubuntu-sanity (engine ray, python 3.9)	18m 48s
test-asv-benchmarks	15s
test-ubuntu-sanity (engine dask, python 3.9)	43m 9s
test-ubuntu-sanity (engine unidist, python 3.9)	16m 17s
test-windows-sanity (engine ray, python 3.9)	25m 19s
test-windows-sanity (engine dask, python 3.9)	38m 39s
test-ubuntu (engine unidist ${{ matrix.unidist-backend }}, python ${{ matrix.python-version }})	0s
test-spreadsheet (engine ray, python 3.9)	2m 2s
test-windows-sanity (engine unidist, python 3.9)	28m 8s
test-spreadsheet (engine dask, python 3.9)	1m 59s
merge-coverage-artifacts	2s
upload-coverage	28s
	4h 44m 9s

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