Alex Popescu schrieb: > Hi all! > > I was reading through Python Cookbook the Singleton recipe. At this moment > I am a bit puzzled as the example in the book is not working resulting in: > > TypeError: type.__new__(SingleSpam): SingleSpam is not a subtype of type > > (I haven't presented the original code as I am not sure about copyrights).
AFAIK the cookbook is completely found online at ASPN. So no sweat publishing it here. And regarding the problem: is it possible that you forgot to subclass SingleSpam from object? Diez -- http://mail.python.org/mailman/listinfo/python-list