docs: def sadd(self, name, values, *args):
          """
          Add the specified members to the Set.
  
          :param name: str     the name of the redis key
          :param values: a list of values or a simple value.
          :return: Future()
          """
          with self.pipe as pipe:
              values = [self.valueparse.encode(v) for v in
                        self._parse_values(values, args)]
              return pipe.sadd(self.redis_key(name), *values)