Update app.py

app.py

@@ -41,6 +41,8 @@ def stream_chat(prompt: str) -> Iterator[str]:
     stream = client.chat.completions.create(
         messages=messages,
         model=os.getenv('LLM_MODEL_NAME'),
+        temperature=0.2,
+        top_p=0.95,
         stream=True
     )