Update app.py

app.py

@@ -188,7 +188,7 @@ final_answer = FinalAnswerTool()
 model = HfApiModel(
     max_tokens=2096,
     temperature=0.5,
-    model_id="Qwen/Qwen2.5-Coder-32B-Instruct",
+    model_id="meta-llama/Llama-3.1-8B-Instruct",
 )