os: linux dist: xenial language: python install: - pip install tox-travis script: - tox python: - 2.7 - 3.6 - 3.7 - 3.8 jobs: include: - python: 3.8 env: TOXENV=docs - python: 3.8 env: TOXENV=lint - python: 3.8 env: TOXENV=formatting notifications: slack: rooms: - readthedocs:y3hjODOi7EIz1JAbD1Zb41sz#random on_success: change on_failure: always