language: python
cache: pip
python:
    - 2.7
    - 3.6
    #- nightly
    #- pypy
    #- pypy3
matrix:
    allow_failures:
        - python: nightly
        - python: pypy
        - python: pypy3
install:
    - pip install -r requirements.txt
    - pip install flake8  # pytest  # add another testing frameworks later
before_script:
    # stop the build if there are Python syntax errors or undefined names
    - flake8 . --count --select=E901,E999,F821,F822,F823 --show-source --statistics
    # exit-zero treats all errors as warnings.  The GitHub editor is 127 chars wide
    - flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
script:
    - true  # pytest --capture=sys  # add other tests here
notifications:
    on_success: change
    on_failure: change  # `always` will be the setting once code changes slow down

Use flake8 to automatically find errors on all PRs
Use flake8 to automatically find errors on all PRs

> [Kicking myself over these kind of errors](https://github.com/PhilipTrauner/cmus-osx/pull/14#issuecomment-350962706)

Using Travis Continuous Integration to run flake8 tests to find these issues automatically.  This service is free for open source projects.  The owner of the this repo would need to go to https://travis-ci.org/profile and flip the repository switch __on__ to enable free automated flake8 testing of each pull request.