Update app.py

app.py

@@ -28,9 +28,9 @@ def respond(
 
     response = ""
 
-    for message in client.chat_completion.create(
+    for message in client.chat_completion(
         messages,
-        model="deepseek-ai/DeepSeek-R1-Distill-Qwen-32B",
+        model="Qwen/Qwen2.5-72B-Instruct",
         max_tokens=max_tokens,
         stream=True,
         temperature=temperature,