Update app.py

app.py

@@ -54,11 +54,11 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
     clear = gr.Button("Clear")
    
     def user(user_message, history):
-        return gr.update(value=""), history + [[user_message, None]]
+        return gr.update(value=""), history.append(user_message)
+
     
     def bot(history):
         try:        
-            history.append("NEXT REQUEST")
             bot_message = palm.chat(
                 context=context,
                 examples=examples,