Update app.py

app.py

@@ -7,7 +7,7 @@ import os
 logging.basicConfig(level=logging.DEBUG)
 
 # Initialize the OpenAI client with your API key
-api_key = os.getenv("OPENAI_API_KEY")
+api_key = os.getenv("SECRET_TOKEN")
 if not api_key:
     raise ValueError("OPENAI_API_KEY environment variable not set.")
 openai.api_key = api_key