Update data/calculation.py

data/calculation.py

@@ -140,6 +140,7 @@ class SolarCalculations:
 
             # Step 6: Calculate component-specific solar parameters
             component_results = []
+            first_component = True  # Initialize first_component before the loop
             for comp_type, comp_list in components.items():
                 for comp in comp_list:
                     surface_tilt = getattr(comp, 'tilt', 0.0)  # Default to 0 if not specified