Review of Pylint, PyChecker and PyFlakes by Doug Hellmann (http://www.doughellmann.com/articles/CompletelyDifferent-2008-03-linters/index.html) (Logilab.org)
You can click on the Google or Yahoo buttons to sign-in with these identity providers,
or you just type your identity uri and click on the little login button.
[...] All of the tools I tested found some of the errors in the sample code, but pylint was by far the most comprehensive.
[...]
For my own projects, I intend to continue looking into pylint for now. Its consistent configuration and exhaustive reporting are appealing for larger code bases such as I encounter at my day job.