def _close_connection(self, connection):
        self.logger.debug("Closing connection %r", connection)
        try:
            self._dialect.do_close(connection)
        except (SystemExit, __HOLE__):
            raise
        except:
            self.logger.error("Exception closing connection %r",
                              connection, exc_info=True)
dataset/ETHPy150Open goFrendiAsgard/kokoropy/kokoropy/packages/sqlalchemy/pool.py/Pool._close_connection