Traceback (most recent call last):
  File "/usr/bin/avahi-discover", line 269, in <module>
    main()
  File "/usr/bin/avahi-discover", line 264, in main
    main_window = Main_window()
  File "/usr/bin/avahi-discover", line 60, in __init__
    SimpleGladeApp.__init__(self, path, root, domain, **kwargs)
  File "/var/lib/python-support/python2.5/avahi/SimpleGladeApp.py", line 108, in __init__
    self.new()
  File "/usr/bin/avahi-discover", line 249, in new
    self.server = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER)
  File "/var/lib/python-support/python2.5/dbus/_dbus.py", line 412, in get_object
    follow_name_owner_changes=follow_name_owner_changes)
  File "/var/lib/python-support/python2.5/dbus/proxies.py", line 232, in __init__
    _dbus_bindings.UInt32(0))
  File "/var/lib/python-support/python2.5/dbus/proxies.py", line 171, in __call__
    reply_message = self._connection.send_message_with_reply_and_block(message, timeout)
DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.Avahi was not provided by any .service files