[tox] envlist=py{39,310,311,312,313,py3},flake8 skip_missing_interpreters = true [testenv] setenv = PYTHONPATH = {toxinidir}:{toxinidir}/pythainlp #commands = python3 -m unittest discover changedir = tests commands = discover deps = discover ; 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 lines: ; deps = ; -r{toxinidir}/requirements.txt [testenv:flake8] basepython = python deps = flake8 commands = flake8 pythainlp