Update app.py

app.py

@@ -75,11 +75,12 @@ def generate_response(user_query, relevant_segment):
         response = openai.ChatCompletion.create(
             model="gpt-4o",
             messages=messages,
-            max_tokens=300,
+            max_tokens=500,
             temperature=0.7,
             top_p=1,
             frequency_penalty=0.5,
-            presence_penalty=0.5
+            presence_penalty=0.5,
+            stop=None
         )