fixed error in logic in _create_generic_systems

# Conflicts:
#	hub/imports/energy_systems/montreal_custom_energy_system_parameters.py

hub/imports/energy_systems/montreal_custom_energy_system_parameters.py

@@ -75,9 +75,10 @@ class MontrealCustomEnergySystemParameters:
   @staticmethod
   def _create_generic_systems(archetype, building,
                               _energy_systems_connection_table, _generic_energy_systems):
-    building_systems = []
     data = [archetype.name, building.name]
     _energy_systems_connection_table.loc[len(_energy_systems_connection_table)] = data
+    if archetype.name not in _generic_energy_systems:
+      building_systems = []
       for system in archetype.systems:
         energy_system = GenericEnergySystem()
         _hub_demand_types = []
@@ -116,7 +117,7 @@ class MontrealCustomEnergySystemParameters:
         energy_system.distribution_systems = _distribution_system
 
         building_systems.append(energy_system)
-    if archetype.name not in _generic_energy_systems:
+
       _generic_energy_systems[archetype.name] = building_systems
 
     return _energy_systems_connection_table, _generic_energy_systems

tests/test_systems_catalog.py

@@ -41,5 +41,3 @@ class TestSystemsCatalog(TestCase):
   def test_north_america_systems_catalog(self):
     catalog = EnergySystemsCatalogFactory('north_america').catalog
     print(catalog.entries())
-
-