flake8
Flake8 is a wrapper around PyFlakes, pep8 and Ned Batchelder's McCabe script and displays the warnings in a per-file, merged output. Flake8 also adds the ability to suppress warnings, additional source control hooks and is extendible.
PyLint
A Python source code analyzer which looks for programming errors, it helps to enforce a coding standard and to sniff for some ...
PyFlakes
A simple program which checks Python source files for errors.
PEP8
pep8 is a tool to check your Python code against some of the style conventions in PEP 8.
PyChecker
PyChecker is a tool for finding bugs in Python source code. It finds problems that are typically caught by a compiler for less ...