Flask web开发报错validate_on_submit

页面报错是：builtins.TypeError

TypeError: __init__() takes from 1 to 2 positional arguments but 3 were given

author=StringField('作者',validators=[DataRequired()])中的DataRequired（）加上括号即可

顺便做下其他笔记from flask_wtf import FlaskForm  flask.ext.wtf已经不适用了

转自：https://blog.csdn.net/a475952074/article/details/79922360