Inheritance doesn't work

[Fredrik Lundh]

J. Clifford Dyer wrote:

> Sure, but I think the question was more about how code that references
> "MandelbrotImage could yield a stack that references MandelImage.

well, it's been obvious for quite some time that we've now reached a 
point in Python's quest for world domination where newbies start 
tinkering with Python before they learn how to cut and paste text, so
I wasn't really expecting anyone to be surprised by a trivial typo.

</F>