.travis.yml

language: python
matrix:
    include:
        - name: "Python 3.7 on Xenial Linux"
          python: 3.7 
        - name: "Python 3.8 on Xenial Linux"
          python: 3.8 
        - name: "Python 3.9 on Xenial Linux"
          python: 3.9 
        - name: "Python 3.7.5 on macOS"
          os: osx
          osx_image: xcode10.2
          language: generic
          env: PYENV_VERSION=3.7.5
        - name: "Python 3.7.7 on macOS"
          os: osx
          osx_image: xcode11.7
          language: generic
          env: PYENV_VERSION=3.7.7
        - name: "Python 3.9 on macOS"
          os: osx
          osx_image: xcode12.2
          language: generic
          env: PYENV_VERSION=3.9.0
install: 
    - python --version
    - python3 --version
    - pip3 install -U pip
    - pip3 install -r requirements.txt
    - pip3 install .
script:
    - coverage run -m pytest tests/
branches:
    only:
    - master
after_success:
    - bash <(curl -s https://codecov.io/bash)