Test

Use a more precise return type for `tokenize.untokenize()` #29021

Job	Run time
Run pytype against the stubs	1m 58s
Run mypy against the stubs (linux, 3.9)	1m 57s
Test typeshed with pyright (Linux, 3.9)	41s
Run mypy on the test cases	1m 57s
Test typeshed with pyright (Linux, 3.10)	39s
Run mypy against the stubs (linux, 3.10)	1m 58s
Test typeshed with pyright (Linux, 3.11)	37s
Run the stub_uploader tests	1m 57s
Run mypy against the stubs (linux, 3.11)	1m 51s
Test typeshed with pyright (Linux, 3.12)	39s
Test typeshed with pyright (Linux, 3.13)	40s
Run mypy against the stubs (linux, 3.12)	1m 59s
Test typeshed with pyright (Windows, 3.9)	38s
Run mypy against the stubs (linux, 3.13)	1m 59s
Check typeshed structure	7s
Test typeshed with pyright (Windows, 3.10)	38s
Run mypy against the stubs (win32, 3.9)	1m 56s
Test typeshed with pyright (Windows, 3.11)	43s
Run mypy against the stubs (win32, 3.10)	1m 57s
Test typeshed with pyright (Windows, 3.12)	38s
Run mypy against the stubs (win32, 3.11)	1m 54s
Run mypy against the stubs (win32, 3.12)	1m 59s
Test typeshed with pyright (Windows, 3.13)	37s
Test typeshed with pyright (Darwin, 3.9)	37s
Run mypy against the stubs (win32, 3.13)	1m 58s
Test typeshed with pyright (Darwin, 3.10)	42s
Run mypy against the stubs (darwin, 3.9)	1m 54s
Test typeshed with pyright (Darwin, 3.11)	37s
Run mypy against the stubs (darwin, 3.10)	1m 56s
Test typeshed with pyright (Darwin, 3.12)	38s
Run mypy against the stubs (darwin, 3.11)	1m 48s
Test typeshed with pyright (Darwin, 3.13)	40s
Run mypy against the stubs (darwin, 3.12)	2m 0s
Run mypy against the stubs (darwin, 3.13)	1m 59s
	44m 48s

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