[tox]
envlist =
  py{36,37,38,39}-django{22,31,32}

[testenv]
deps =
  django22: Django>=2.2.17,<3
  django31: Django==3.1.*
  django32: Django==3.2.*
  python-cas
  python-ldap
commands =
  python --version
  python runtests.py