Update app.py

app.py

@@ -5,7 +5,6 @@ from query_data import get_chain
 
        
 # Execute the chat functionality.           
-output = get_chain({"message": message, "chat_history": history})["response"]        
 
 with gr.Blocks(theme=gr.themes.Soft()) as demo:
     
@@ -21,10 +20,11 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
   response = gr.Textbox
 
   def respond(message, chat_history):
-    response = output
-    chat_history.append((message, response))
-    return "", chat_history
-  
+    response = get_chain({"message": message, "chat_history": history})["response"] 
+    history.append((message, response))
+    return "", history
+       
+
   with gr.Row():
     send = gr.Button(value="Send").style(full_width=False) 
     clear = gr.Button(value="Clear Chat").style(full_width=False)