Update app.py

app.py

@@ -1,9 +1,14 @@
 from google.colab import userdata
 import openai
+import os
 openai.api_key = userdata.get('OPENAI_API_KEY')
 # Initialize the OpenAI client
 from openai import OpenAI
-client = OpenAI(api_key=openai.api_key)
+# HF
+API_KEY = os.getenv("OPENAI_API_KEY")
+client = OpenAI(api_key=API_KEY)
+
+
 from datetime import datetime
 # gpt function
 def chatgpt(prompt):