.travis.yml

# https://travis-ci.org/pytorch/pytorch
language: python
dist: trusty
git:
  submodules: false

# This reportedly works around an issue downloading packages from pypi on
# travis.  Consider removing this after the underlying issue is fixed.
# https://github.com/travis-ci/travis-ci/issues/2389
sudo: false

matrix:
    fast_finish: true
    include:
      - env: LINT_CHECK
        python: "2.7"
        install: pip install flake8
        script: flake8
      - env: LINT_CHECK
        python: "3.7"
        dist: xenial    # required for Python 3.7 (travis-ci/travis-ci#9069)
        sudo: required  # required for Python 3.7 (travis-ci/travis-ci#9069)
        install: pip install flake8
        script: flake8
      - env: MYPY_TYPE_CHECK
        python: "3.6"
        install: pip install mypy mypy-extensions
        script: mypy @mypy-files.txt