Run mypy_primer

Add `TypeGuard`s to `builtin`s Methods #21744

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
Run (1)	2m 18s
Run (3)	2m 19s
Run (0)	2m 20s
Run (2)	2m 19s
Join artifacts	1s
	9m 17s