Update app.py

app.py

@@ -43,6 +43,7 @@ def initialize_index(index_name, documents_folder):
         documents = SimpleDirectoryReader(documents_folder).load_data()
         index = GPTSimpleVectorIndex.from_documents(documents, service_context=service_context)
         index.save_to_disk(index_name)
+        print(DATA_FILE)
         index.save_to_disk(DATA_FILE)
 
     return index