sudo: false language: python python: - "3.5" # More versions later. install: - pip install git+git://github.com/JukkaL/mypy script: - mypy stdlib/3/ - rm -rf 2_7; cp -R -L stdlib/2.7 2_7; rm 2_7/__builtin__.pyi ; mypy --py2 2_7/ # That doesn't test everything, but it's a start.