Reintroduce changing base method to async (#1497) #3947

Job	Run time
test_without_debugpy (ubuntu-latest, 3.10)	2m 16s
Test Minimum Versions	2m 50s
Test Lint	56s
link_check	3m 45s
test_docs	39s
Test Prereleases	2m 39s
Make SDist	29s
check_release	1m 41s
build (windows-latest, qt6, 3.11)	4m 19s
build (ubuntu-latest, qt6, 3.11)	2m 37s
build (ubuntu-latest, qt6, pypy-3.11)	3m 16s
build (ubuntu-latest, qt5, 3.10)	2m 33s
build (windows-latest, qt6, pypy-3.11)	8m 4s
build (windows-latest, qt5, 3.14)	3m 53s
build (ubuntu-latest, qt6, 3.12)	2m 42s
build (ubuntu-latest, qt5, pypy-3.11)	3m 29s
build (windows-latest, qt5, pypy-3.11)	6m 40s
build (windows-latest, qt5, 3.10)	4m 24s
build (macos-latest, qt5, 3.14)	2m 25s
build (ubuntu-latest, qt6, 3.13)	2m 34s
build (macos-latest, qt5, 3.10)	3m 6s
build (ubuntu-latest, qt5, 3.14)	2m 38s
build (windows-latest, qt6, 3.12)	4m 25s
build (ubuntu-latest, qt6, 3.10)	2m 34s
build (windows-latest, qt6, 3.13)	4m 1s
build (macos-latest, qt6, 3.11)	2m 46s
build (macos-latest, qt5, pypy-3.11)	4m 9s
build (windows-latest, qt6, 3.10)	4m 43s
build (macos-latest, qt6, 3.12)	4m 15s
build (macos-latest, qt6, 3.13)	2m 32s
build (macos-latest, qt6, 3.10)	3m 30s
build (macos-latest, qt6, pypy-3.11)	4m 8s
Install from SDist and Test	2m 24s
coverage	0s
	1h 47m 22s

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