On Tue, Feb 23, 2010 at 1:55 PM, Giorgio > And, please let me ask a question: Kent told that nested_namespace(s) are > default in python 2.6. And i found a line confirming this in py2.6 library. > But, what about python 2.5 that as you know is the default on linux? Yes, since 2.2 nested namespaces have been standard. Kent