code: def __update_siblings_active_labels_states(self, active_label):
          
  
          LOGGER.debug("> Clicked 'Active_QLabel': '{0}'.".format(active_label))
  
          for item in self.__active_labels:
              if item is active_label:
                  continue
  
              umbra.ui.common.signals_blocker(item, item.set_checked, False)
docs: Updates given **Active_QLabel** Widget siblings states.
  
          :param active_label: Active label.
          :type active_label: Active_QLabel