sample.py

#!/usr/bin/env python
# -*- coding: UTF-8 -*-

'''
I just came across pychecker ( http://pychecker.sourceforge.net/ ) and realized that putting it 
at the bottom of each module can do only good, can't it?

'''
def foo():
    pass

class Bar(object):
    pass


if __name__ == '__main__':
    import os
    os.system("pychecker " + __file__)