@obj_base.remotable
    def create(self):
        updates = self.obj_get_changes()
        if 'id' in updates:
            raise exception.ObjectActionError(action='create',
                                              reason='already created')
        if updates in 'address':
            updates['address'] = str(updates['address'])
        db_fixedip = db.fixed_ip_create(self._context, updates)
        self._from_db_object(self._context, self, db_fixedip)
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/objects/fixed_ip.py/FixedIP.create/swapped operands of `in`