typing

src/ifcopenshell-python/ifcopenshell/api/root/copy_class.py

@@ -17,11 +17,13 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 import ifcopenshell
+import ifcopenshell.api
 import ifcopenshell.util.system
 import ifcopenshell.util.element
+import ifcopenshell.util.placement
 
 
-def copy_class(file, product=None) -> None:
+def copy_class(file: ifcopenshell.file, product: ifcopenshell.entity_instance) -> ifcopenshell.entity_instance:
     """Copies a product
 
     The following relationships are also duplicated:

src/ifcopenshell-python/ifcopenshell/api/root/reassign_class.py

@@ -20,14 +20,15 @@ import ifcopenshell
 import ifcopenshell.util.type
 import ifcopenshell.util.schema
 import ifcopenshell.util.element
+from typing import Optional
 
 
 def reassign_class(
-    file,
-    product=None,
-    ifc_class="IfcBuildingElementProxy",
-    predefined_type=None,
-) -> None:
+    file: ifcopenshell.file,
+    product: ifcopenshell.entity_instance,
+    ifc_class: str = "IfcBuildingElementProxy",
+    predefined_type: Optional[str] = None,
+) -> ifcopenshell.entity_instance:
     """Changes the class of a product
 
     If you ever created a wall then realised it's meant to be something