form.py

from flask_wtf import FlaskForm
from wtforms import StringField, SelectField

class Data(FlaskForm):
    x1 = StringField()
    x2 = StringField()
    x3 = StringField()
    x4 = StringField()
    x5 = StringField()
    x6 = StringField()
    x7 = StringField()
    x8 = StringField()
    x9 = StringField()
    x10 = StringField()
    y1 = StringField()
    y2 = StringField()
    y3 = StringField()
    y4 = StringField()
    y5 = StringField()
    y6 = StringField()
    y7 = StringField()
    y8 = StringField()
    y9 = StringField()
    y10 = StringField()
    c = SelectField('Type',choices=[('yvx','Y vs X'),('bar','Bar'),('hist','Histogram'),('sp','Scatter Plot'),('pie','Pie Chart')])