Update app.py

app.py

@@ -66,7 +66,7 @@ def chatbot_response(user_message):
         # generated a response while limiting the total chat history to 1000 tokens, 
         chat_history_ids = chatbot_model.generate(bot_input_ids, max_length=1000, pad_token_id=chatbot_tokenizer.eos_token_id)
 
-        response = tokenizer.decode(chat_history_ids[:, bot_input_ids.shape[-1]:][0], skip_special_tokens=True)
+        response = chatbot_tokenizer.decode(chat_history_ids[:, bot_input_ids.shape[-1]:][0], skip_special_tokens=True)
 
     new_chat = False