Update app.py

app.py

@@ -20,12 +20,13 @@ from components.collection_manager import (
 from utils.database import (
     create_connection,
     create_tables,
-    handle_document_upload,
-    verify_vector_store,
     get_all_documents,
     get_collections,
-    get_collection_documents
+    get_collection_documents,
+    create_collection,
+    add_document_to_collection
 )
+
 from utils.collections import (
     create_collection_tables,
     create_collection,