Update app.py

app.py

@@ -1,6 +1,6 @@
 import streamlit as st
 from dotenv import load_dotenv
-from PyPDF2 import PdfReader
+# from PyPDF2 import PdfReader
 from langchain.text_splitter import CharacterTextSplitter
 from langchain.embeddings import OpenAIEmbeddings, HuggingFaceInstructEmbeddings
 from langchain.vectorstores import FAISS