Flowblade on Ubuntu 12.04

[peter_b]

The installation of "flowblade", a non-linear video editition program using the PPA of "Gogo" (trebelnik-stefina), ended with a strange error message:

Unpacking flowblade (from .../flowblade_0.6.0-2~precise_all.deb) ...
Processing triggers for bamfdaemon ...
Rebuilding /usr/share/applications/bamf.index...
Processing triggers for gnome-menus ...
Processing triggers for desktop-file-utils ...
Processing triggers for man-db ...
Processing triggers for shared-mime-info ...
Unknown media type in type 'all/all'
Unknown media type in type 'all/allfiles'
Unknown media type in type 'uri/mms'
Unknown media type in type 'uri/mmst'
Unknown media type in type 'uri/mmsu'
Unknown media type in type 'uri/pnm'
Unknown media type in type 'uri/rtspt'
Unknown media type in type 'uri/rtspu'
Setting up flowblade (0.6.0-2~precise) ...
Usage: update-python-modules [-v] [-c] package_directory [...]
update-python-modules [-v] [-c] package.dirs [...]
update-python-modules [-v] [-a|-f|-p]

update-python-modules: error: flowblade.public is not a recognized python-support module.
dpkg: error processing flowblade (--configure):
subprocess installed post-installation script returned error exit status 2
Errors were encountered while processing:
flowblade
E: Sub-process /usr/bin/dpkg returned an error code (1)

Flowblade can be started anyhow, but if I have time, I'll investigate into that error and see how to get rid of it.