Traceback (most recent call last):
  File "/usr/lib/unity-lens-video/unity-lens-video", line 94, in <module>
    ZG = ZeitgeistClient()
  File "/usr/lib/python2.7/dist-packages/zeitgeist/client.py", line 403, in __init__
    self._iface = ZeitgeistDBusInterface()
  File "/usr/lib/python2.7/dist-packages/zeitgeist/client.py", line 259, in __init__
    proxy = get_bus().get_object(self.BUS_NAME,
  File "/usr/lib/python2.7/dist-packages/zeitgeist/client.py", line 50, in get_bus
    session_bus = dbus.SessionBus()
  File "/usr/lib/python2.7/dist-packages/dbus/_dbus.py", line 211, in __new__
    mainloop=mainloop)
  File "/usr/lib/python2.7/dist-packages/dbus/_dbus.py", line 100, in __new__
    bus = BusConnection.__new__(subclass, bus_type, mainloop=mainloop)
  File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 122, in __new__
    bus = cls._new_for_bus(address_or_type, mainloop=mainloop)
DBusException: org.freedesktop.DBus.Error.NoServer: Failed to connect to socket /tmp/dbus-sFPba6i7zb: Connection refused