1environment: 2 3 matrix: 4 - PYTHON: "C:\\Python27" 5 - PYTHON: "C:\\Python35" 6 - PYTHON: "C:\\Python36" 7 - PYTHON: "C:\\Python37" 8 9build: off 10 11test_script: 12 - "%PYTHON%\\python.exe tests\\all_tests.py" 13