[Debian] Listen does not start

Hi there,

After an update of my Debian (Linux bronski 3.0.0-1-amd64 #1 SMP Sun Jul 24 02:24:44 UTC 2011 x86_64 GNU/Linux
), I cannot start Listen anymore. Here is the message I get from the command line:

$ listen --debug 9

INFO library.ListenDatabase 1af2cd0 Loading library...
INFO library.ListenDatabase 1af2cd0 9950 songs loaded in 7 types
INFO library.ListenDatabase 1af2cd0 - unknown_local > 0 songs
INFO library.ListenDatabase 1af2cd0 - unknown > 0 songs
INFO library.ListenDatabase 1af2cd0 - volatile_webradio > 0 songs
INFO library.ListenDatabase 1af2cd0 - webradio > 0 songs
INFO library.ListenDatabase 1af2cd0 - podcast > 28 songs
INFO library.ListenDatabase 1af2cd0 - local > 9922 songs
INFO library.ListenDatabase 1af2cd0 - lastfmradio > 0 songs
INFO library.ListenDatabase 1af2cd0 Finish loading library
INFO widget.source_ui.SourceUI 38baf50 create categorie Informations for <source.lyrics.LyricsItem object at 0x38bbd50>
INFO widget.source_ui.SourceUI 38baf50 create categorie Bibliothèque for <source.local.LocalLibrarySourceItem object at 0x38bb310

Traceback (most recent call last):
  File "listen", line 213, in <module>
    ListenApp()
  File "listen", line 131, in __init__
    self.listen_instance = Listen()
  File "/usr/lib/listen/widget/listen.py", line 135, in __init__
    self.notify = Notify(self.tray)
  File "/usr/lib/listen/widget/notify.py", line 53, in __init__
    if utils.dbus_service_available(bus,interface,True):
  File "/usr/lib/listen/utils.py", line 92, in dbus_service_available
    bus.start_service_by_name(interface)
  File "/usr/lib/python2.6/dist-packages/dbus/bus.py", line 281, in start_service_by_name
    'su', (bus_name, flags)))
  File "/usr/lib/python2.6/dist-packages/dbus/connection.py", line 630, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.Notifications was not provided by any .service files

gstreamer version is 0.10
python version is 2.6.7

cheers