MooMaster schrieb: > I'm trying to use inheritance to create a simple binary tree, but it's > not going so well... here's what I pull from the documentation for > super() > "super( type[, object-or-type]) > > Return the superclass of type. If the second argument is omitted the > super object returned is unbound. If the second argument is an object, > isinstance(obj, type) must be true. If the second argument is a type, > issubclass(type2, type) must be true. super() only works for new-style > classes.
The last sentence contains the important bit. You need to use new-style-classes, which means they have to have the ancestor "object" somewhere in their inheritance-graph. Like this: class Foo(object): pass Certainly one of the somewhat uglier corners of Python... Diez -- http://mail.python.org/mailman/listinfo/python-list
