Update app.py

app.py

@@ -56,15 +56,14 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
     def user(user_message, history):
         return gr.update(value=""), history.append([user_message, None])
 
-
     
     def bot(history):
         try:        
             bot_message = palm.chat(
                 context=context,
                 examples=examples,
-                # messages=history[-1][0]
-                messages=history
+                messages=history[-1][0]
+                # messages=history
             )
             
             # history[-1][1] = ""