Quoting P Purkayastha <ppurka@...>:

> On 08/22/2011 05:38 AM, fbissey@... wrote:
>> Quoting v_2e@...:
>>
>>> Hello!
>>>
>>> On Sun, 21 Aug 2011 23:50:50 +0800
>>> P Purkayastha <ppurka@...> wrote:
>>>
>>>> Hi all,
>>>> Thanks to the quick help, I could upgrade my sage to 4.7.1 (from
>>>> 4.7.0). However, I am unable to run the notebook. And I also get a
>>>> similar error when I run sage by itself.
>>>
>>> The very same problem here.
>>> Just in case: I do not use Java at all and thus I have no jdk at all
>>> on my system.
>>>
>> Hope webmail gets me to the list.
>> What version of pynac do you have installed?
>>
>> Francois
>
> You are on the list :)
>
> pynac version is 0.2.3:
>
> ~> eix -e pynac
> [I] sci-libs/pynac [1]
>       Available versions:  (~)0.2.1-r1!m (~)0.2.3!m {static-libs}
>       Installed versions:  0.2.3!m(07:55:25 PM 08/20/2011)(-static-libs)
>       Homepage:            http://pynac.sagemath.org/
> https://bitbucket.org/burcin/pynac/overview
>       Description:         A modified version of GiNaC that replaces the
> dependency on CLN by Python
>
> [1] "sage-on-gentoo" /var/lib/layman/sage-on-gentoo
Have you guys rebuilt cython recently? The version to be used is
0.14.1-r1 from the sage-on-gentoo overlay.

Francois