pyproject.toml - third_party/gitlab.com/drj11/pypng - Git at Google

 # from https://web.archive.org/web/20210825105330/https://tox.readthedocs.io/en/latest/example/package.html
 [build-system]
 requires = [
     "setuptools >= 35.0.2",
 ]
 build-backend = "setuptools.build_meta"
	# from https://web.archive.org/web/20210825105330/https://tox.readthedocs.io/en/latest/example/package.html
	[build-system]
	requires = [
	"setuptools >= 35.0.2",
	]
	build-backend = "setuptools.build_meta"