Update app.py

app.py

@@ -83,7 +83,7 @@ with gr.Blocks(css=".chatbox {height: 400px; overflow-y: auto; border: 1px solid
     )
 
     send_btn = gr.Button("Send")
-    regen_btn = gr.Button("Regenerate")
+    regen_btn = gr.Button("Clear")
 
     system_message = gr.Textbox(value="You are P-MSQ (Messaging Service Query), a friendly AI Chatbot that can help in any situations.", label="System message")
     
@@ -101,10 +101,7 @@ with gr.Blocks(css=".chatbox {height: 400px; overflow-y: auto; border: 1px solid
         return render_message(history), history, "", message  
 
     def regenerate_response(history, last_message, system_message, max_tokens, top_p, temperature):
-        if last_message:
-            history, assistant_reply = respond(last_message, history, system_message, max_tokens, top_p, temperature)
-            return render_message(history), history
-        return render_message(history), history  
+        return render_message(None), None
 
     msg_input.submit(user_interaction, 
                      inputs=[msg_input, history_state, system_message, max_tokens, top_p, temperature],