diff --git a/lca_carbon_workflow.py b/lca_carbon_workflow.py
index 220b41b..2462cf3 100644
--- a/lca_carbon_workflow.py
+++ b/lca_carbon_workflow.py
@@ -12,6 +12,7 @@ from pathlib import Path
 from hub.imports.geometry_factory import GeometryFactory
 from hub.imports.construction_factory import ConstructionFactory
 from hub.helpers.dictionaries import Dictionaries
+
 from city_model_structure.life_cycle_assessment.access_nrcan_catalogue \
   import AccessNrcanCatalog
 from city_model_structure.life_cycle_assessment.opening_emission \