pyproject.toml

[tool.black]
line-length = 120
target-version = ['py38']
skip-string-normalization = true

[tool.nbqa.config]
isort = "setup.cfg"
black = "pyproject.toml"

[tool.nbqa.mutate]
black = 1
pyupgrade = 1

[tool.nbqa.addopts]
pyupgrade = ["--py36-plus"]