On Fri, Apr 25, 2008 at 7:20 PM, Hector Villafuerte <[EMAIL PROTECTED]> wrote:
> On Wed, Apr 2, 2008 at 6:36 AM, William Stein <[EMAIL PROTECTED]> wrote:
>  [...]
>
> >  By the way, you can modify sys.path in Sage so that it's possible
>  >  to use your existing system-wide Python modules in some cases...
>  [...]
>
>
>  I tried just that, since I want to use Graphviz
>  (http://www.graphviz.org/) through a Python binding (yapgvb). Here's
>  what I've tried so far...
>
>
>  sage: import yapgvb
>  Traceback (most recent call last):
>  ...
>  ImportError: No module named yapgvb
>
>  sage: import sys
>  sage: sys.path.append('/usr/lib/python2.4/site-packages')
>  sage: import yapgvb
>  /usr/lib/python2.4/site-packages/yapgvb/__init__.py:20:
>  RuntimeWarning: Python C API version mismatch for module _yapgvb: This
>  Python has API version 1013, module _yapgvb has version 1012.
>   from _yapgvb import *
>


I forgot to mention this...

sage: version ()
'SAGE Version 3.0, Release Date: 2008-04-22'

[EMAIL PROTECTED]:~$ uname -a
Linux sage 2.6.17-12-386 #2 Tue Dec 18 02:08:33 UTC 2007 i686 GNU/Linux

And you would need to apt-get the package:
[EMAIL PROTECTED]:~$ sudo apt-get install yapgvb

-- 
 Hector

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