box:
  id: ubuntu:trusty
build:
  steps:
    - install-packages:
        packages: python python3 pypy python-pip
    - script:
        name: python versions
        code: |
           python --version
           python3 --version
    - pip-install:
        requirements_file: "test-requirements.txt"
        packages_list: "tox"
    - script:
        name: tests
        code: |
           tox
           COVERALLS_REPO_TOKEN=r9pnKBevvgJu7kUvP61BwFxodyKUq8vIO coveralls