def _get_fieldmonitor_name(self, fieldname):
        """
        Get the fieldmonitor name.

        Args:
            fieldname (str): The field monitored.

        Returns:
            fieldmonitor_name (str): A dynamic function name
                created from the argument.

        """
        return fieldname % "_oob_at_%s_postsave"
dataset/ETHPy150Open evennia/evennia/evennia/server/oobhandler.py/OOBHandler._get_fieldmonitor_name/swapped operands of `%`