Minor fix to new collection organisation for drawings

src/blenderbim/blenderbim/tool/blender.py

@@ -740,10 +740,14 @@ class Blender(blenderbim.core.tool.Blender):
         return {"PASS_THROUGH"}
 
     @classmethod
-    def get_layer_collection(
+    def get_layer_collection(cls, collection: bpy.types.Collection) -> Union[bpy.types.LayerCollection, None]:
-        cls, collection: bpy.types.Collection, view_layer: Optional[bpy.types.ViewLayer] = None
+        project = tool.Ifc.get_object(tool.Ifc.get().by_type("IfcProject")[0])
-    ) -> Union[bpy.types.LayerCollection, None]:
+        project_collection = project.BIMObjectProperties.collection
-        return cls.get_layer_collections_mapping([collection], view_layer).get(collection)
+        for layer_collection in bpy.context.view_layer.layer_collection.children:
+            if layer_collection.collection == project_collection:
+                for layer_collection2 in layer_collection.children:
+                    if layer_collection2.collection == collection:
+                        return layer_collection2
 
     @classmethod
     def get_layer_collections_mapping(

src/ifcopenshell-python/ifcopenshell/util/element.py

@@ -468,7 +468,7 @@ def get_type(element: ifcopenshell.entity_instance) -> Union[ifcopenshell.entity
 
     schema = element.file.schema
     if schema != "IFC2X3":
-        if is_typed_by := element.IsTypedBy:
+        if is_typed_by := getattr(element, "IsTypedBy", []):
             return is_typed_by[0].RelatingType
         return