Update app.py

app.py

@@ -188,6 +188,7 @@ def submit_message(prompt, prompt_template, temperature, max_tokens, context_len
         history.append("error")
 
     total_tokens_used_msg = f"Total tokens used: {state['total_tokens']}"
+    
     #chat_messages = [(history[i]['content'], history[i+1]['content']) for i in range(0, len(history)-1, 2)]
     chat_messages = [(history[-2]['content'],history[-1]['content'])]
     return '', chat_messages, total_tokens_used_msg, state