def close(self):
        if self._local.conn:
            self._local.conn.transport.close()
        self._local.conn = None
Unknown child elements, child elements required.
dataset/ETHPy150Open aparo/pyes/pyes/connection.py/ThreadLocalConnection.close--crossover with--dataset/ETHPy150Open typesupply/woffTools/Lib/woffTools/test/test_validate.py/metadataAbstractElementRequiredChildElementTest5