text: from flask_wtf import FlaskForm
  from wtforms import StringField, SubmitField, IntegerField
  from wtforms.validators import DataRequired
  
  
  class DataToFPGA(FlaskForm):
      start = IntegerField('Start Image', validators=[DataRequired()])
      end = IntegerField('End Image', validators=[DataRequired()])
      submit = SubmitField('Submit')