Update app.py

app.py

@@ -15,7 +15,8 @@ def predict(message, history):
     response = openai.ChatCompletion.create(
         model='gpt-3.5-turbo',
         messages= history_openai_format,
-        temperature=0.9,
+        temperature=0.5,
+        frequency_penalty=1.4,
         stream=True
     )