Update app/hvac_loads.py

app/hvac_loads.py

@@ -19,7 +19,7 @@ from collections import defaultdict
 import logging
 import math
 from utils.ctf_calculations import CTFCalculator, ComponentType, CTFCoefficients
-from data.material_library import Construction, GlazingMaterial, DoorMaterial, Material, MaterialLibrary
+from app.material_library import Construction, GlazingMaterial, DoorMaterial, Material, MaterialLibrary
 
 # Configure logging
 logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')