Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.6/awn/extras/awnlib.py", line 1220, in __run
    self.__callback()
  File "/usr/share/avant-window-navigator/applets/battery-applet/battery-applet.py", line 245, in check_status_cb
    if not self.backend.is_present():
  File "/usr/share/avant-window-navigator/applets/battery-applet/battery-applet.py", line 417, in is_present
    return bool(self.__hal_battery.GetProperty("battery.present"))
  File "/usr/lib/pymodules/python2.6/dbus/proxies.py", line 140, in __call__
    **keywords)
  File "/usr/lib/pymodules/python2.6/dbus/connection.py", line 620, in call_blocking
    message, timeout)
DBusException: org.freedesktop.DBus.Error.NoReply: Message did not receive a reply (timeout by message bus)