language: python
python:
  - "3.5"
  - "3.6"
matrix:
  include:
    - name: "Python 3.7.1 on Xenial Linux"
      python: 3.7           
      dist: xenial          
    - name: "Python 3.7.3 on Windows"
      os: windows           
      language: shell       
      before_install: choco install python
      env: PATH=/c/Python37:/c/Python37/Scripts:$PATH
script: py.test