Update app.py

app.py

@@ -32,7 +32,7 @@ def respond(
     response = ""
     
     for message in  client.chat.completions.create(
-        model="Qwen/Qwen2.5-Coder-32B-Instruct",
+        model="Qwen/QwQ-32B-Preview",
         max_tokens=max_tokens,
         stream=True,
         temperature=temperature,