[tox] envlist = py27, py34, py35, py36, flake8 [travis] python = 3.6: py36 3.5: py35 3.4: py34 2.7: py27 [testenv:flake8] basepython = python deps = flake8 commands = flake8 lugito [testenv] setenv = PYTHONPATH = {toxinidir} deps = -r{toxinidir}/requirements_dev.txt ; If you want to make tox run the tests with the same versions, create a ; requirements.txt with the pinned versions and uncomment the following line: ; -r{toxinidir}/requirements.txt commands = pip install -U pip py.test --basetemp={envtmpdir}