Update app.py

app.py

@@ -1,9 +1,12 @@
 # app.py
-import streamlit as st
 import os
+import sqlite3
+import tempfile
+import traceback
 from pathlib import Path
 from datetime import datetime
-from components.chat import display_chat_interface
+import streamlit as st  # Import streamlit first
+from components.chat import display_chat_interface, ensure_embeddings_initialized
 from utils.database import (
     display_vector_store_info, 
     handle_document_upload,
@@ -11,7 +14,7 @@ from utils.database import (
     create_tables
 )
 from utils.persistence import PersistenceManager
-from utils.document_chunker import DocumentChunker  # Make sure this path is correct
+from utils.document_chunker import DocumentChunker
 from backend import get_embeddings_model, initialize_qa_system, initialize_faiss
 import time