Noam Raphael wrote:
Well, what do you say?
Raising NotImplementedError in the methods that need to be overridden is much more customary, more straightforward, and already works fine.
-- Erik Max Francis && [EMAIL PROTECTED] && http://www.alcyone.com/max/ San Jose, CA, USA && 37 20 N 121 53 W && AIM erikmaxfrancis We learn from history that we do not learn from history. -- Georg Friedrich Wilhelm Hegel -- http://mail.python.org/mailman/listinfo/python-list