fixed

app.py

@@ -25,7 +25,7 @@ with gr.Blocks(css="footer {visibility: hidden}", title="ChatWebpage.com") as de
     chatbot = gr.Chatbot().style(height=150)
 
     msg = gr.Textbox(label="2. Chat with AI about the webpage")
-    msg.submit(conversation.user, [msg, chatbot], [msg, chatbot])
+    msg.submit(conversation.user, [msg, chatbot], [msg, chatbot]).success(conversation.bot, chatbot, chatbot)
     gr.Examples(["Please summarise the webpage", "What is the tone of the webpage?", "Tell me your favorite part of the webpage"], inputs=[msg])
     
     with gr.Row():
@@ -34,7 +34,9 @@ with gr.Blocks(css="footer {visibility: hidden}", title="ChatWebpage.com") as de
             clear_button.click(lambda: None, None, chatbot)
         with gr.Column(scale=4):
             submit_button = gr.Button("Submit")
-            submit_button.click(conversation.user, [msg, chatbot], [msg, chatbot])
+            submit_button.click(conversation.user, [msg, chatbot], [msg, chatbot]).success(
+                conversation.bot, chatbot, chatbot
+            )
 
 if __name__ == "__main__":
     demo.queue(concurrency_count=4)

conversation.py

@@ -119,7 +119,7 @@ class Conversation:
         # ... your existing user implementation ...
         # Replace `messages` with `self.messages`
         
-        return self.bot(history)
+        return "", history + [[user_message, None]]
 
     def bot(self, history):
         # ... your existing bot implementation ...