python problems with gnucash 1.6.0 on Mandrake 8.0

[Robert Grasso]

Hello,

I just downloaded GnuCash 1.6.0 on Mandrake 8.0 on i586, and I am getting the 
same problem (exactly the same !!) as the one described on the following URL 
(found using Google) :

http://www.mail-archive.com/gnucash-devel@gnucash.org/msg08385.html 

so first, the error message :

[robert@rubedo ~]$ gnucash
Could not find platform independent libraries <prefix>
Could not find platform dependent libraries <exec_prefix>
Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
'import site' failed; use -v for traceback
Fatal Python error: couldn't import os
Abort

so I fixed PYTHONHOME (as did the guy from msg08385) and then it remained :
'import site' failed; use -v for traceback
Fatal Python error: couldn't import os
Abort

as it's about guppi and python, I must say that I just downloaded :

libguppi11-0.35.5-6mdk

from my usual mirror

What can we do to fix the problem ? (I don't know python or guppi at all, so 
I would prefer not to debug anything myself :-)

my current python version is python-2.0-9mdk, the standard Mandrake 8.0 python

Regards

-- 
Robert Grasso
@home