On Tue, May 17, 2011 at 03:49:49PM -0700, Simon King wrote:
> I agree that it is not an issue. But for the record: It is in sage/
> categories/primer.py and is as follows.
> sage: p = 6*x^2 + 12*x + 6
> sage: R.<x> = PolynomialRing(QQ, sparse=True)
> sage: pQ = R ( p )
> sage: pQ._pow_.__module__
> 'sage.categories.semigroups'
>
> In unpatched sage, the category of R is not properly initialised.
> Hence, applying only the "getattr" patch from #11342, pQ._pow_ results
> in an attribute error (because with the patch, an element inherits
> attributes from the category only if the parent is fine).
>
> But #9944 takes care of the category initialisation for polynomial
> rings. Hence, if it is applied in addition to #11342, then all (long)
> doctests pass.
Excellent. So this just adds a dependency upon #9944 which anyway has
a positive review. Congrats :-)
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <nthi...@users.sf.net>
http://Nicolas.Thiery.name/
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