Fix docstrings to reference datatype as it would be used for users

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

@@ -50,9 +50,9 @@ class Usecase:
           connections are still valid.
 
         :param product: The IfcProduct to copy.
-        :type param: ifcopenshell.entity_instance.entity_instance
+        :type param: ifcopenshell.entity_instance
         :return: The copied product
-        :rtype: ifcopenshell.entity_instance.entity_instance
+        :rtype: ifcopenshell.entity_instance
 
         Example:
 

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

@@ -52,7 +52,7 @@ class Usecase:
         :param name: The name of the new element.
         :type name: str,optional
         :return: The newly created element based on the specified IFC class.
-        :rtype: ifcopenshell.entity_instance.entity_instance
+        :rtype: ifcopenshell.entity_instance
 
         Example:
 

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

@@ -48,14 +48,14 @@ class Usecase:
         this.
 
         :param product: The IfcProduct that you want to change the class of.
-        :type product: ifcopenshell.entity_instance.entity_instance
+        :type product: ifcopenshell.entity_instance
         :param ifc_class: The new IFC class you want to change it to.
         :type ifc_class: str,optional
         :param predefined_type: In case you want to change the predefined type
             too. User defined types are also allowed, just type what you want.
         :type predefined_type: str,optional
         :return: The newly modified product.
-        :rtype: ifcopenshell.entity_instance.entity_instance
+        :rtype: ifcopenshell.entity_instance
 
         Example:
 

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

@@ -42,7 +42,7 @@ class Usecase:
         naturally, the materials, types, containers, etc themselves remain).
 
         :param product: The element to remove.
-        :type product: ifcopenshell.entity_instance.entity_instance
+        :type product: ifcopenshell.entity_instance
         :return: None
         :rtype: None