conventions/requirements for 'is' vs '==', 'not vs '!=', etc

[Ulrich Eckhardt]

Asun Friere wrote:
> Well you have to be careful in case some smartarse comes back with a
> class with something like this in it:
> 
> def __eq__ (self, other) :
>     if self is other : return False

That's pretty paranoid. :)
Who said that? (:

Uli

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