Update app.py

app.py

@@ -3,7 +3,7 @@ from transformers import AutoModelForCausalLM, AutoTokenizer
 import torch
 
 # Load the model and tokenizer
-model_name = "Qwen/Qwen2.5-1.5B-Instruct"
+model_name = "microsoft/DialoGPT-small"
 model = AutoModelForCausalLM.from_pretrained(
     model_name,
     torch_dtype="auto",