Far from complete

[Kay Schluehr]

Section 2.3 of the Python 2.5. tutorial

"The following sections describe the standard types that are built into
the interpreter. Historically, Python's built-in types have differed
from user-defined types because it was not possible to use the built-in
types as the basis for object-oriented inheritance. With the 2.2
release this situation has started to change, although the intended
unification of user-defined and built-in types is as yet far from
complete. "

"Far from complete"? Have I missed something?