# content of: tox.ini , put in same dir as setup.py
[tox]
envlist = py37
# tox_pyenv_fallback=False

[testenv]
# install pytest in the virtualenv where commands will be executed
deps =
    pytest
    -rrequirements.txt
commands =
    # NOTE: you can run any command line tool here - not just tests
    python -V
    pytest tests