Enable the redpill mode :
in the applications manager
Go to "Tools > Application catalogue", click "New", enter "matrix" into the "Web Address" field, click "Cancel". Choosing the red pill will activate the red pill mode, obviously, and chosing the blue one will deactivate it.

and click on this link to install the missing package :
http://repository.maemo.org/extras/p...sso1_armel.deb

After, You can install python2.5 and other applications.

David.