On Feb 21, 10:41 am, William Stein <[email protected]> wrote:
> On Sat, Feb 21, 2009 at 8:57 AM, John Cremona <[email protected]> wrote

Hi,

> > I particularly like the suggestion that my problem is to upgrade
> > (which does nothing, of course).
>
> That is an error message from Ipython suggesting to upgrade the
> Ipython rc files.


Well, if that were it deleting $HOME/.ipython* should fix the problem,
but I would be surprised if that is the case and the whole story. The
missing symbols indicate some kind of problem, but at least rc0->rc3
did not upgrade pynac, so the missing symbol thing is indeed rather
odd.

>  It's extremely annoying and has nothing to do with
> the real problem at hand.  It's just an instance of Sage not being
> sufficiently polished, and surely something that would be very
> confusing to new users.  I think we should patch Ipython so it doesn't
> do that, or at least gives a meaningful error message.

+1

>  -- William

Cheers,

Michael
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