def execute_command_no_results(self, sock_info, generator):
        """Execute write commands with OP_MSG and w=0 WriteConcern, ordered.
        """
        full_result = {
            "writeErrors": [],
            "writeConcernErrors": [],
            "nInserted": 0,
            "nUpserted": 0,
            "nMatched": 0,
            "nModified": 0,
            "nRemoved": 0,
            "upserted": [],
        }
        # Ordered bulk writes have to be acknowledged so that we stop
        # processing at the first error, even when the application
        # specified unacknowledged writeConcern.
        write_concern = WriteConcern()
        op_id = _randint()
        try:
            self._execute_command(
                generator, write_concern, None,
                sock_info, op_id, False, full_result)
        except OperationFailure:
            pass
Execute write commands with OP_MSG and w=0 WriteConcern, ordered.
        
stackoverflow/venv/lib/python3.6/site-packages/pymongo/bulk.py