[tox] envlist = py{27,35,36,37,38,39}, [testenv] basepython = py27: python2.7 py35: python3.5 py36: python3.6 py37: python3.7 py38: python3.8 py39: python3.9 passenv = CI TRAVIS TRAVIS_* deps = codecov coverage commands = coverage run --append --source=benedict setup.py test coverage report -m codecov