Update app.py

app.py

@@ -7,7 +7,7 @@ from groq import Groq
 from data_fetcher import fetch_nrel_data
 
 # Fetch data from NREL API
-data = fetch_nrel_data()
+data = get_hydrogen_data()
 
 if data is None:
     print("⚠️ Using backup dataset...")