Update app.py

app.py

@@ -33,7 +33,7 @@ def predict_chatgpt(inputs,chat_counter_chatgpt, chatbot_chatgpt=[], history=[])
     history.append("You asked: " + inputs)
    
     # load index from disk
-    index = GPTSimpleVectorIndex.load_from_disk('PLIndex.json')
+    index = GPTSimpleVectorIndex.load_from_disk('IPCIndex.json')
 
     # query the index
     result = index.query(inputs)