Update app.py

app.py

@@ -1,5 +1,6 @@
 import gradio as gr
-import openai, os, time
+import os, time
+from openai import OpenAI
 
 def show_json(obj):
     display(json.loads(obj.model_dump_json()))
@@ -12,6 +13,7 @@ def chat(message, history):
     instructions="You are a personal math tutor. Answer questions briefly, in a sentence or less.",
     model="gpt-4-1106-preview",
     )
+    
     show_json(assistant)
     
     for i in range(len(message)):