[build-system]
requires = [
"setuptools >= 44.1.1",
"wheel >= 0.36.2",
"typing >= 3.7.4.3; python_version < '3.5'",
]
build-backend = "setuptools.build_meta"
[tool.black]
target-version = ['py27', 'py36', 'py37', 'py38']