DataRequired()

Question

is not iterable... lots of errors on this even after that one is fixed and all i did is add the layouts portion of it... it all works in the video, cant imagine why it doesnt now.
from flask_wtf import Form
from wtforms import StringField, PasswordField
from wtforms.validators import (DataRequired, Regexp, ValidationError, Email,
                                Length, EqualTo
                                )
from models import User
def name_exists(form, field):
    if User.select().where(User.username == field.data).exists():
        raise ValidationError('User with that name already exists.')
def email_exists(form, field):
    if User.select().where(User.email == field.data).exists():
        raise ValidatonError('User with that email already exists.')
class RegisterForm(Form):
    username = StringField(
        'Username',
        validators=[
            DataRequired(),
            Regexp(
                r'^[a-zA-Z0-9]+$',
                message= ("Username should be one word, "
                "letters, numbers, and underscores only.")
            ),
            nameexists
            ])
    email = StringField(
        'Email',
        validators=[
            DataRequired(),
            Email(),
            email_exists
            ])
    password = PasswordField(
        'Password',
        validators=[
            DataRequired(),
            Length(min=2),
            EqualTo('password2', message='Passwrods must match')
            ])
    password2 = PasswordField(
        'Confirm Password',
        validators=[DataRequired()])
class LoginForm(Form):
    email = StringField('Email', validators=[DataRequired(), Email()])
    password = PasswordField('Password',validators=DataRequired())

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Alex Life

Alex Life

DataRequired()