Update utils/solar.py

utils/solar.py

@@ -2,7 +2,7 @@ import numpy as np
 from typing import List, Dict, Any, Optional, Tuple
 import math
 from datetime import datetime
-from data.material_library import MaterialLibrary, Construction, GlazingMaterial, DoorMaterial, Material
+from app.material_library import MaterialLibrary, Construction, GlazingMaterial, DoorMaterial, Material
 from utils.ctf_calculations import ComponentType
 import logging