Update app.py

app.py

@@ -2,8 +2,14 @@ from openai import OpenAI
 import gradio as gr
 import os
 
+API_KEY = os.getenv("OPENAI_API_KEY") or os.getenv("APITOKEN")
+if not API_KEY:
+    raise RuntimeError("Missing API key. Set OPENAI_API_KEY (preferred) or APITOKEN.")
+
+client = OpenAI(api_key=API_KEY)
+
 # Set your OpenAI API key
-client = OpenAI(api_key=os.getenv("OPENAI_API_KEY") or os.getenv("APITOKEN"))
+# client = OpenAI(api_key=os.getenv("OPENAI_API_KEY") or os.getenv("APITOKEN"))
 
 greetings = ["hello", "hi", "hey", "greetings", "good morning", "good afternoon", "good evening"]