Thank you Dieter,
> Ubuntu 12 has introduced important changes with respect to "glib" (and
> depending packages). In fact, there are now two quite incompatible
> implementations - the old "static" one and a new "dynamic" one.
> It looks as if in your case, old and new implementations were mixed.
>
Harold writes:
> I recently upgraded my system from ubuntu 11.4 to 12.4 and since run into an
> issue when trying to import several packages in python2.7, e.g.
>
> harold@ubuntu:~$ python -c 'import gtk'
> Traceback (most recent call last):
> File "", line 1, in
> File "/usr/lib/python2.7/d
