test_requirements.txt - third_party/github.com/psf/black - Git at Google

 coverage >= 5.3
 pre-commit
 pytest >= 6.1.1
 pytest-xdist >= 2.2.1, < 3.0.2
 pytest-cov >= 2.11.1
 tox
	coverage >= 5.3
	pre-commit
	pytest >= 6.1.1
	pytest-xdist >= 2.2.1, < 3.0.2
	pytest-cov >= 2.11.1
	tox