[Flake8](http://flake8.pycqa.org) tests can help to find Python syntax errors, undefined names, and other code quality issues. [Travis CI](https://travis-ci.org) is a framework for running flake8 and other tests which is free for open source projects like this one. 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.