Antoine Pitrou added the comment:

> The theoretical properties that make the Twister so attractive were
> all proved based on mathematical analysis of its entire period.  The
> only way to get at the whole period is to allow for all possible
> seeds.
> 
> If the seeds Python can use are drawn from a relatively tiny subset of
> the possible seeds, nothing can be said about most of the "proved
> correct" properties anymore.  Maybe they still hold.  Maybe they
> don't.  In the absence of analysis (which, AFAIK, is still too
> difficult to do), the only way to be safe is to refrain from being so
> bloody "clever" in the interest of saving a few microseconds.

Thanks for the explanation. It's much clearer now.

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<http://bugs.python.org/issue21470>
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