Update app.py

app.py

@@ -7,26 +7,20 @@ from llama_index import GPTVectorStoreIndex
 openai_api_key = os.getenv('OPENAI_API_KEY')
 
 
-"""class ChatWrapper:
+class ChatWrapper:
 
     def __call__(
         self, inp: str, history: str, chain
     ):
-        Execute the chat functionality.           
+        
+# Execute the chat functionality.           
         output = chain({"question": inp, "chat_history": history})["answer"]        
         history.append((inp, output))     
-        return history, history
-
+        return history
 
-"""
 chat = ChatWrapper()
 chatbot = gr.Chatbot()
 
-def get_response(message):
-    response = (f"You entered: {message}")
-    return response
-    
-
 block = gr.Blocks(css=".gradio-container {background-color: lightblue}")
 
 with block: