tox.ini

# content of: tox.ini , put in same dir as setup.py
[tox]
skipsdist = true
envlist = py3{8,9}

[gh-actions]
python =
    3.8: py38
    3.9: py39

[testenv]
passenv = *
basepython =
    py38: python3.8
    py39: python3.9

deps = 
    .[all]
    .[dev]
commands = pytest tests --maxfail=2 --cov=testbook --cov-report=xml -W always {posargs}