Update app.py

app.py

@@ -2,10 +2,6 @@ import os
 import gradio as gr
 import openai
 
-from langdetect import detect 
-from gtts import gTTS
-from pdfminer.high_level import extract_text
-
 openai.api_key = os.environ['OPENAI_API_KEY']
 
 user_db = {os.environ['username1']: os.environ['password1'], os.environ['username2']: os.environ['password2'], os.environ['username3']: os.environ['password3']}