Traceback (most recent call last):
  File "/usr/bin/jockey-gtk", line 331, in on_button_toggle_clicked
    'toggle', False):
  File "/usr/lib/python2.5/site-packages/jockey/ui.py", line 489, in set_handler_enable
    i = polkit_auth_wrapper(self.backend().handler_info, handler_id)
  File "/usr/lib/python2.5/site-packages/jockey/backend.py", line 103, in polkit_auth_wrapper
    return fn(*args, **kwargs)
  File "/var/lib/python-support/python2.5/dbus/proxies.py", line 68, in __call__
    return self._proxy_method(*args, **keywords)
  File "/var/lib/python-support/python2.5/dbus/proxies.py", line 140, in __call__
    **keywords)
  File "/var/lib/python-support/python2.5/dbus/connection.py", line 607, in call_blocking
    message, timeout)
DBusException: org.freedesktop.DBus.Python.AttributeError: Traceback (most recent call last):
  File "/var/lib/python-support/python2.5/dbus/service.py", line 696, in _message_cb
    retval = candidate_method(self, *args, **keywords)
  File "/usr/lib/python2.5/site-packages/jockey/backend.py", line 233, in handler_info
    h = self.handlers[handler_id]
AttributeError: 'Backend' object has no attribute 'handlers'