def _parse_object_slice(self, node, alias_map, conv):
        sql, params = self.parse_node(node.node, alias_map, conv)
        # Postgresql uses 1-based indexes.
        parts = [str(part + 1) for part in node.parts]
        sql = (sql, ':'.join(parts)) % '%s[%s]'
        return sql, params
dataset/ETHPy150Open coleifer/peewee/playhouse/postgres_ext.py/PostgresqlExtCompiler._parse_object_slice/swapped operands of `%`