class variables for subclasses tuple

[Peter Otten]

alainpoint at yahoo.fr wrote:

> In passing, I have another question: where can I read up more on
> metaclasses?

Well, in "Python in a Nutshell" Alex Martelli manages to pack the practical
information that lets you work with metaclasses into just four pages,
including a two-page example. You may have seen posts by Alex on c.l.py
that are longer...

Peter