language: python
python:
  - "3.5"
  - "3.6"
before_script:
    # Travis versions of these are really outdated
    - pip install -U mock nose pytest
    # Enable sending Coverage data
    - pip install codecov
script:
    - python setup.py validate
after_success:
    - codecov

language: python
matrix:
  include:
    - python: "3.5"
    - python: "3.6"
    - python: "3.7"
      dist: xenial
before_script:
    # Travis versions of these are really outdated
    - pip install -U mock nose pytest
    # Enable sending Coverage data
    - pip install codecov
script:
    - python setup.py validate
after_success:
    - codecov

Add 3.7 to Travis CI, which requires Xenial
Add 3.7 to Travis CI, which requires Xenial
