On Sun, May 13, 2012 at 9:57 PM, phneoix <neo.stea...@gmail.com> wrote:
> how do i raise an exception if certain equation is unsolvable (maybe due to
> lack of sufficient data)....
>

I think it already raises an error in such cases. Can you give a
specific example?

Otherwise, you can raise an error. Something like

raise ValueError('that was a bad value: %s' % the_val)

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