#!/usr/bin/env python
     # encoding: utf-8
     #
     # Copyright (c) 2008 Doug Hellmann All rights reserved.
     #
     """
     """
     #end_pymotw_header
     
     import warnings
     
     def old_function():
         warnings.warn(
             'old_function() is deprecated, use new_function() instead', 
             stacklevel=2)
     
     def caller_of_old_function():
         old_function()
         
     caller_of_old_function()