[tox] envlist = py36, py37, py38, flake8 [travis] python = 3.10: py310 3.9: py39 3.8: py38 [testenv:flake8] basepython = python deps = flake8 commands = flake8 wsic tests [testenv] setenv = PYTHONPATH = {toxinidir} deps = -r{toxinidir}/requirements.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 pytest