Implement arithmetic formulas for cost value components

src/blenderbim/blenderbim/bim/helper.py

@@ -11,7 +11,7 @@ from blenderbim.bim.ifc import IfcStore
 def import_attributes(ifc_class, props, data, callback=None):
     for attribute in IfcStore.get_schema().declaration_by_name(ifc_class).all_attributes():
         data_type = ifcopenshell.util.attribute.get_primitive_type(attribute)
-        if data_type == "entity":
+        if data_type == "entity" or (isinstance(data_type, tuple) and "entity" in ".".join(data_type)):
             continue
         new = props.add()
         new.name = attribute.name()