Update app.py

app.py

@@ -2,6 +2,8 @@ import streamlit as st
 import tempfile
 import base64
 import os
+import nltk
+nltk.download('punkt')
 from src.utils.ingest_text import create_vector_database
 from src.utils.ingest_image import extract_and_store_images
 from src.utils.text_qa import qa_bot
@@ -11,6 +13,8 @@ from langchain.memory import ConversationBufferWindowMemory
 from langchain_community.chat_message_histories import StreamlitChatMessageHistory
 from dotenv import load_dotenv
 
+
+
 nest_asyncio.apply()
 load_dotenv()