Update app.py

app.py

@@ -252,7 +252,7 @@ def respond(message, chat_history):
         bot_message = "Chatbot initialized! How can I help you?"
     else:
         if chatbot_instance:
-            bot_message = chat(message, chatbot_instance)
+            bot_message = chat(chatbot_instance, message)
         else:
             bot_message = "Please provide a URL to initialize the chatbot first."