PyCQA

Bandit is a tool designed to find common security issues in Python code.

A Python utility / library to sort imports.

Simple Python style checker in one Python file

flake8 is a python tool that glues together pycodestyle, pyflakes, mccabe, and third-party plugins to check the style and quality of some python code.

A simple program which checks Python source files for errors

A plugin for Flake8 finding likely bugs and design problems in your program. Contains warnings that don't belong in pyflakes and pycodestyle.

docstring style checker

Removes unused imports and unused variables as reported by pyflakes

Bottom-up approach to refactoring in python

McCabe complexity checker for Python

Formats docstrings to follow PEP 257

Naming Convention checker for Python

Modernizes Python code for eventual Python 3 migration. Built on top of fissix (a fork of lib2to3)

IDE allow you to refactor code, Baron allows you to write refactoring code.

Flake8 plugin that checks import order against various Python Style Guides

Removes commented-out code from Python files

Style checker for sphinx (or other) rst documentation.

Integration of pydocstyle and flake8 for combined linting and reporting

Flake8 extension for enforcing trailing commas in python

A plugin for Flake8 that provides specializations for type hinting stub files