A nice emacs trick : using flymake-mode and this python code styles PEP8 checker script written by Johann C. Rocholl, we can have automatic real time checking for standard python coding style. To make this work I copied the script (pep8.py) in my PATH, and then I added this block of code in my .emac file : (when (load "flymake" t) (defun flymake-pylint-init () (let* ((temp-file (flymake-init-creat