Update app.py

app.py

@@ -1,6 +1,5 @@
 from flask import Flask, render_template, request, redirect, url_for, session
 from nltk.sentiment.vader import SentimentIntensityAnalyzer
-import nltk
 import mysql.connector
 import bcrypt
 import datetime
@@ -10,7 +9,6 @@ from email.message import EmailMessage
 import secrets
 import string
 
-nltk.download('vader_lexicon')
 
 mysql = mysql.connector.connect(
     host='localhost',