Update app.py

app.py

@@ -8,7 +8,7 @@ import logging
 logging.basicConfig(filename="error.log", level=logging.DEBUG, format="%(asctime)s - %(levelname)s - %(message)s")
 
 # Check if API key is loaded
-api_key = os.environ.get("GROQ_API_KEY")
+api_key = os.getenv("GROQ_API_KEY")
 if not api_key:
     logging.error("Missing GROQ_API_KEY environment variable.")