Update app.py

app.py

@@ -92,8 +92,8 @@ def feifeiprompt( message_text="", history="", feifei_select=True,):
 def feifeichat(message, history):
     completion = client.chat.completions.create(
       #model="meta/llama-3.3-70b-instruct",
-      #model = "nvidia/llama-3.3-nemotron-super-49b-v1",
-      model = "nvidia/llama-3.1-nemotron-ultra-253b-v1",
+      model = "nvidia/llama-3.3-nemotron-super-49b-v1",
+      #model = "nvidia/llama-3.1-nemotron-ultra-253b-v1",
       messages=feifeiprompt(message,history),
       temperature=0.2,
       top_p=0.7,