Return a set of attributes for a multiple items in
        multiple tables using their primary keys.

        :type batch_list: :class:`boto.dynamodb.batch.BatchList`
        :param batch_list: A BatchList object which consists of a
            list of :class:`boto.dynamoddb.batch.Batch` objects.
            Each Batch object contains the information about one
            batch of objects that you wish to retrieve in this
            request.

def batch_get_item(self, batch_list):
        """
        Return a set of attributes for a multiple items in
        multiple tables using their primary keys.

        :type batch_list: :class:`boto.dynamodb.batch.BatchList`
        :param batch_list: A BatchList object which consists of a
            list of :class:`boto.dynamoddb.batch.Batch` objects.
            Each Batch object contains the information about one
            batch of objects that you wish to retrieve in this
            request.
        """
        request_items = self.dynamize_request_items(batch_list)
        return self.layer1.batch_get_item(request_items,
                                          object_hook=item_object_hook)