pondering about the essence of types in python

[Steven Bethard]

gangesmaster wrote:
> but __mro__ is a readonly attribute, and deriving from instances is
> impossible (conn.modules.wx.Frame is a PROXY to the class)...

Maybe I'm misunderstanding, but why is an instance a proxy to a class? 
Why don't you make a class a proxy to the class?

STeVe