Traceback (most recent call last):
  File "/usr/lib/scribes/GenericPlugins/SearchSystem/MatchNavigator.py", line 114, in __previous_cb
    self.__process_previous()
  File "/usr/lib/scribes/GenericPlugins/SearchSystem/MatchNavigator.py", line 53, in __process_previous
    match = self.__prev_queue.popleft()
IndexError: pop from an empty deque