Test

Remove Python 3.9 workaround in stubtest_stdlib (#15655) #35775

Job	Run time
mypy: Run test cases	5m 15s
Check typeshed structure	10s
stub_uploader tests	5m 29s
pyright: Run test cases (Windows, 3.12)	1m 31s
pyright: Run test cases (Darwin, 3.13)	1m 22s
pyright: Run test cases (Linux, 3.12)	1m 31s
pyright: Run test cases (Darwin, 3.14)	1m 26s
mypy: Check stubs (linux, 3.13)	2m 6s
pyright: Run test cases (Windows, 3.13)	1m 25s
mypy: Check stubs (linux, 3.10)	2m 1s
mypy: Check stubs (linux, 3.14)	2m 29s
mypy: Check stubs (win32, 3.12)	2m 11s
pyright: Run test cases (Darwin, 3.11)	1m 24s
mypy: Check stubs (win32, 3.11)	1m 50s
mypy: Check stubs (linux, 3.11)	1m 48s
mypy: Check stubs (linux, 3.12)	2m 7s
pyright: Run test cases (Windows, 3.14)	1m 21s
pyright: Run test cases (Linux, 3.14)	1m 19s
pyright: Run test cases (Windows, 3.11)	1m 21s
pyright: Run test cases (Linux, 3.11)	1m 20s
pyright: Run test cases (Linux, 3.13)	1m 33s
mypy: Check stubs (win32, 3.13)	2m 1s
mypy: Check stubs (darwin, 3.11)	1m 45s
pyright: Run test cases (Darwin, 3.12)	1m 25s
mypy: Check stubs (darwin, 3.10)	2m 6s
mypy: Check stubs (darwin, 3.12)	2m 7s
mypy: Check stubs (win32, 3.14)	2m 9s
mypy: Check stubs (darwin, 3.13)	1m 57s
mypy: Check stubs (win32, 3.10)	2m 2s
mypy: Check stubs (darwin, 3.14)	2m 15s
	58m 46s

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