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

Add automated flake8 testing of pull requests
 Add automated flake8 testing of pull requests

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.  Flake8 will find bugs and code smells.