Can anyone pls help me how to resolve this issue?

def main():

    # create form

    cform = CreateTask(prefix='cform')

# response

if cform.validate_on_submit() and cform.create.data:

    return createTask(cform)

from flask_wtf import Form
from wtforms import TextField, IntegerField, SubmitField

class CreateTask(Form):
    title = TextField('Task Title')
    shortdesc = TextField('Short Description')
    priority = IntegerField('Priority')
    create = SubmitField('Create')

from flask_wtf import FlaskForm
from wtforms import TextField, IntegerField, SubmitField

class CreateTask(FlaskForm):
    title = TextField('Task Title')
    shortdesc = TextField('Short Description')
    priority = IntegerField('Priority')
    create = SubmitField('Create')