git-trac should never be imported in Sage, and it doesn't look that way 
from the traceback.

SAGERUNTIME should depend on PEXPECT, directly or indirectly.



On Wednesday, June 10, 2015 at 5:32:35 PM UTC+2, Nathann Cohen wrote:
>
> Hmmmm... Even if it works it is not a good fix :-/ 
>
> Volker, what do you think of this scenario: 
> - the git-trac module has been installed before conway_polynomials 
> - you don't need pexpect to *install* git-trac, but you need pexpect 
> to load the git-trac modules 
> - installing conway_polynomials calls "from sage.all import save", 
> which loads git-trac, which breaks because pexpect is not installed 
>
> Nathann 
>
> On 10 June 2015 at 17:25, Nathann Cohen <nathan...@gmail.com <javascript:>> 
> wrote: 
> > Yo ! 
> > 
> >> which will take several hours, or is some variant of the following 
> better: 
> > 
> > The second should work. No reason to destroy what you already built I'd 
> say. 
> > 
> > Nathann 
>

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