Update app.py

app.py

@@ -535,7 +535,7 @@ Your response should be detailed, informative, accurate, and directly relevant t
                 max_tokens=5500,
                 temperature=temperature,
                 top_p=0.9,
-                frequency_penalty=1.2,
+                presence_penalty=1.2,
                 stream=False
             )
             return response.choices[0].message.content.strip()