Update app.py

app.py

@@ -2,11 +2,11 @@ import streamlit as st
 from dotenv import load_dotenv
 from PyPDF2 import PdfReader
 #from langchain_text_splitter import CharacterTextSplitter
-from langchain_community.embeddings import HuggingFaceInstructEmbeddings
-from langchain_community.vectorstores import FAISS 
-from langchain.memory import ConversationBufferMemory
-from langchain.chains import ConversationalRetrievalChain
-from langchain.llms import HuggingFaceHub
+#from langchain_community.embeddings import HuggingFaceInstructEmbeddings
+#from langchain_community.vectorstores import FAISS 
+#from langchain.memory import ConversationBufferMemory
+#from langchain.chains import ConversationalRetrievalChain
+#from langchain.llms import HuggingFaceHub
 from htmltemplates import css, bot_template, user_template
 
 def get_text_chunks(text):