code: def active(self, subject_id, entity_id):
          
          try:
              (timestamp, info) = self._cache.get(_key(subject_id, entity_id))
          except ValueError:
              return False
          except TypeError:
              return False
  
          # if not info:
          #     return False
  
          try:
              return time_util.not_on_or_after(timestamp)
          except ToOld:
              return False
docs: Returns the status of assertions from a specific entity_id.
  
          :param subject_id: The ID of the subject
          :param entity_id: The entity ID of the entity_id of the assertion
          :return: True or False depending on if the assertion is still
              valid or not.