[tox] envlist = py27,py3,flake8 [testenv] deps = pytest commands = {envpython} -m pytest {posargs:test} [testenv:flake8] basepython = python3 skip_install = true deps = flake8 commands = flake8 [flake8] exclude = cubicweb_%(cubename)s/migration/*,test/data/*,.tox/*