Update app.py

app.py

@@ -2,7 +2,7 @@ import os
 import time
 from flask import Flask, render_template, jsonify, request
 from src.helper import download_hugging_face_embeddings
-from langchain.llms import CTransformers
+from langchain.llms import Replicate
 from dotenv import load_dotenv
 from PyPDF2 import PdfReader
 from langchain.schema import Document