Update app.py

app.py

@@ -22,7 +22,7 @@ def construct_index(directory_path):
 
     index = GPTVectorStoreIndex(documents, llm_predictor=llm_predictor, prompt_helper=prompt_helper)
 
-    index.save_to_disk('index.json')
+    #index.save_to_disk('index.json')
     index.storage_context.persist(persist_dir="index.json")
 
     return index