dist: xenial
language: python
python:
  - 2.7
  - 3.4
  - 3.5
  - 3.6
  - 3.7
  - 3.8-dev
  - pypy2.7-6.0
  - pypy3.5-6.0
matrix:
  include:
    - python: 3.5
      env: TOXENV=py35-coverage
install:
    - pip install --quiet tox-travis
script:
    - tox
after_script:
    - |
      if [ "${TOXENV%-coverage}" == "$TOXENV" ]; then
        pip install --quiet coveralls;
        coveralls;
      fi