Update app.py

app.py

@@ -47,9 +47,9 @@ with gr.Blocks(css=custom_css) as app:
             state = gr.State([])
 
     # Main logic handler
-def respond(message, chat_history, model_choice, api_key):
-    reply, chat_history = get_response(message, chat_history, model_choice, api_key)
-    return chat_history, chat_history
+    def respond(message, chat_history, model_choice, api_key):
+        reply, chat_history = get_response(message, chat_history, model_choice, api_key)
+        return chat_history, chat_history
 
     msg.submit(
         respond,