You want this recipe from Michael Hudson: http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/160164
"automatically upgrade class instances on reload()" -- http://mail.python.org/mailman/listinfo/python-list
You want this recipe from Michael Hudson: http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/160164
"automatically upgrade class instances on reload()" -- http://mail.python.org/mailman/listinfo/python-list