[Python-Dev] towards a faster Python

[Guido van Rossum]

> >     import __builtin__
> >     __builtin__.int = something
> 
> Ah.  I think Guido dislikes this one (as in, would like to see this
> practice banned), not sure about the community :-)

Indeed, I strongly dislike this, because the scope of the change is
the entire Python process.  Sooner or later this practice will cause
someone to rely on a change to a built-in that breaks a standard
library module that they didn't even know they were relying on.

--Guido van Rossum (home page: http://www.python.org/~guido/)