Update app.py

app.py

@@ -15,7 +15,7 @@ def chatbot(input):
         chat = openai.ChatCompletion.create(
         model="gpt-3.5-turbo", messages=messages,
            temperature=0.7,
-      max_tokens=2000,
+      max_tokens=500,
       top_p=1,
       frequency_penalty=0,
       presence_penalty=0