Spelling mistakes!

[Michele Simionato]

skip at pobox.com wrote:
>  The OP sort of seemed like he was pining
> for attribute declarations.  __slots__ is the closest thing Python has to
> them.  I don't use them myself (since I've basically avoided new-style
> classes so far).
>
> Skip

No, slots are a memory optimization trick and should NOT be used as
declarations.
You can find a few posts of the Martellibot on the subject. I even
wrote a recipe
to tell people who want static declarations how to implement them
without slots:
http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/252158

 Michele Simionato