Hi,
Such apps are supposed to work with gnome-python.
Here is my package of gnome-python, which I compiled last month along the way (a bit frustratedly) to get gjots2 (a very nice outliner app) to work. But I didn't make it and had to give it up. See if it works for you. Good luck!
Package: gnome-python
Version: 2.6.2
Source: ftp://ftp.gnome.org/pub/GNOME/stable/sources/gnome-python/gnome-python-2.6.2.tar.gz
Priority: optional
Section: Gnome
Licence: LGPL
Architecture: armv5tel
Maintainer: zdevil
Depends: python
Description: The gnome-python package contains the source packages for the Python bindings for GNOME called PyGNOME. PyGNOME is an extension module for Python that provides access to the base GNOME libraries, so you have access to more widgets, a simple configuration interface, and metadata support.
Size: 517.0k
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P.S. It is a real pain in the axx to compile gnome thingies, because the current gnome packages for pdaX seem to be arcane versions...