code: def revrange(self, start='+', stop='-', count=None):
          
          return self.database.xrevrange(self.key, start, stop, count)
docs: Read a range of values from a stream in reverse.
  
          :param start: start key of range (inclusive) or '+' for newest message
          :param stop: stop key of range (inclusive) or '-' for oldest message
          :param count: limit number of messages returned