sudo: false
language: python
install: 
        - pip3 install -r requirements.txt -r requirements-extra.txt
script: tox
matrix:
        include:
                - os: "linux"
                  dist: "xenial"
                  python: "3.6"
                - os: "linux"
                  dist: "xenial"
                  python: "3.7"
                - os: "linux"
                  dist: "focal"
                  python: "3.8"
                - os: "linux"
                  dist: "focal"
                  python: "3.9"
                - os: "windows"
                  language: shell
                  python: "3.8"
                  env: "PATH=/c/python38:/c/python38/Scripts:$PATH"
                  before_install:
                          - choco install python --version=3.8.6
                          - cp /c/python38/python.exe /c/python38/python3.exe
                  script: tox -e py38