[tox] envlist = py{27,37}-{lint,invalidcode},py37-black [testenv] skip_install=True deps = py{27,37}-{lint,invalidcode}: flake8 py37-black: black commands = py{27,37}-lint: flake8 src doc data tests py{27,37}-invalidcode: flake8 src data --exclude src/yunohost/tests --select F --ignore F401,F841 py37-black: black --check --diff src doc data tests