Update app.py

app.py

@@ -2,6 +2,8 @@
 import os
 import gradio as gr
 from llama_index import GPTVectorStoreIndex
+from query_data import get_chain
+
 # from response import get_response
 
 openai_api_key = os.getenv('OPENAI_API_KEY')
@@ -12,7 +14,8 @@ class ChatWrapper:
     def __call__(
         self, inp: str, history: str, chain
     ):
-        
+
+          
 # Execute the chat functionality.           
         output = chain({"question": inp, "chat_history": history})["answer"]        
         history.append((inp, output))