not using redirect

ai.py

@@ -1,6 +1,6 @@
 from wtforms import SubmitField, StringField, HiddenField, validators, Form
 from flask_wtf import FlaskForm
-from flask import request, render_template, redirect
+from flask import request, render_template
 from main import db, app, ma
 from sqlalchemy import Sequence
 from sqlalchemy.exc import SQLAlchemyError