code: def get_info(self, item, check_not_on_or_after=True):
          
          try:
              (timestamp, info) = item
          except ValueError:
              raise ToOld()
  
          if check_not_on_or_after and not time_util.not_on_or_after(timestamp):
              raise ToOld()
  
          return info or None
docs: Get session information about a subject gotten from a
          specified IdP/AA.
  
          :param item: Information stored
          :return: The session information as a dictionary