Update app.py

app.py

@@ -1,14 +1,26 @@
-# Q&A Chatbot
-from langchain.llms import OpenAI
+# Multiple PDF
 
-#from dotenv import load_dotenv
-
-#load_dotenv()  # take environment variables from .env.
+ 
 
 import streamlit as st
+from PyPDF2 import Pdfreader
+from langchain.text_splitter import RecursiveCharacterTextSplitter
+
+from langchain_google_genai import GoogleGenerativeAIEmbennings
 import os
 
 
+import google.generativeai as genai
+
+from langchain.vectorstores import FAISS
+from langchain.google_genai import ChatGoogleGenerativeAI 
+from langchain.chains.question_answering import load_qa_chain 
+from langchain.prompts import PromptTemplate
+from dotenv import load_dotenv
+
+genai.configure(api_key = os.getenv("")
+
+
 ## Function to load OpenAI model and get respones
 
 def get_openai_response(question):