ERROR:dbus.proxies:Introspect error on :1.73:/DeviceDriver: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Message did not receive a reply (timeout by message bus)
Traceback (most recent call last):
  File "/usr/bin/jockey-text", line 128, in <module>
    sys.exit(u.run())
  File "/usr/lib/python2.7/dist-packages/jockey/ui.py", line 467, in run
    self.backend().shutdown()
  File "/usr/lib/python2.7/dist-packages/jockey/ui.py", line 127, in backend
    self._check_repositories()
  File "/usr/lib/python2.7/dist-packages/jockey/ui.py", line 839, in _check_repositories
    if self._dbus_iface.has_repositories():
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 68, in __call__
    return self._proxy_method(*args, **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 143, in __call__
    **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 630, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name :1.73 was not provided by any .service files
arnold@arnold-pc:~$