TypeError: __init__() got an unexpected keyword argument 'password'

Question

I can\'t find out what\'s the cause of this error

TypeError: __init__() takes at most 2 arguments (3 given)

which is pointing to

Answer 1

You didn't call one of your validators:

password = PasswordField('Password', validators=[DataRequired])

Add ():

password = PasswordField('Password', validators=[DataRequired()])