def riak_multi_get(self, key_list_tuple):
        """
        Sends given tuples of list to multiget method and took riak objs' keys and data. For each
        multiget call, separate pools are used and after execution, pools are stopped.
        Args:
            key_list_tuple(list of tuples): [('bucket_type','bucket','riak_key')]

                                            Example:
                                            [('models','personel','McAPchPZzB6RVJ8QI2XSVQk4mUR')]

        Returns:
            objs(tuple): obj's key and obj's value

        """
        pool = PyokoMG()
        objs = self._client.multiget(key_list_tuple, pool=pool)
        pool.stop()
        return objs
Sends given tuples of list to multiget method and took riak objs' keys and data. For each
        multiget call, separate pools are used and after execution, pools are stopped.
        Args:
            key_list_tuple(list of tuples): [('bucket_type','bucket','riak_key')]

                                            Example:
                                            [('models','personel','McAPchPZzB6RVJ8QI2XSVQk4mUR')]

        Returns:
            objs(tuple): obj's key and obj's value