Update app.py

app.py

@@ -20,7 +20,7 @@ from transformers import AutoModelForCausalLM, AutoTokenizer
 
 def chatbot_response(user_message):
     # Load the pre-trained model and tokenizer
-    model_name = "your_pretrained_model_name"  # Replace with the name of the pre-trained model you want to use
+    model_name = "gpt2"  # Replace with the name of the pre-trained model you want to use
     tokenizer = AutoTokenizer.from_pretrained(model_name)
     model = AutoModelForCausalLM.from_pretrained(model_name)