Linters pyflakes – checks only obvious bugs and never code style. There are no opinionated checks. Pyflakes should be enabled in any project, and all errors must be fixed. pycodestyle – most important code style checker. Controls compatibility with PEP-8 that is standard de-facto for how Python code should look like. Initially, the tool was called pep8, but renamed after Guido’s request. flake8 is the most famous Python linter. First of all, it is a framework allowing you to write custo...