我想让python manage.py makemigrations自动化,就像用户遇到Did you rename game.last to game.las (a CharField)?,那么输入总是y,但是如果用户遇到You are trying to add a non-nullable field 'las' to game without a default,那么它就会自动和持续地进入我试过了yes | python manage.py makemigrations,但是如果询问默认