message: Tried new os setup in CI.
diff: -os:
  - - linux
  - - osx
  -
  language: python
  # Command to install dependencies
  @@ -22,8 +18,13 @@ jobs:
  include:
  - stage: test
  python: 2.7
  + os: linux
  - stage: test
  python: 3.6
  + os: linux
  after_success:
  - coveralls
  - .doc.sh
  + - stage: test
  + python: 3.6
  + os: osx
  