156: Flake8: Python linting framework with Pyflakes, pycodestyle, McCabe, and more - Anthony Sottile

Flake8 is a command-line tool for linting Python projects.
By default, it includes lint checks provided Pyflakes, pycodestyle, and McCabe
It's also a platform, and allows plugins to extend the checks.
Flake8 will run third-party extensions if they are found and installed.

But what does all of that mean?

Anthony Sottile is a maintainer of flake8 and has kindly offered to explain it to us.