diff --git a/src/bonsai/bonsai/bim/module/type/operator.py b/src/bonsai/bonsai/bim/module/type/operator.py
index 629cd6bd4c..c95eee1898 100644
--- a/src/bonsai/bonsai/bim/module/type/operator.py
+++ b/src/bonsai/bonsai/bim/module/type/operator.py
@@ -117,9 +117,7 @@ class UnassignType(bpy.types.Operator, tool.Ifc.Operator):
         related_object: str
 
     @staticmethod
-    def _reattach_styles(
-        file: ifcopenshell.file, copied_entities: dict[int, ifcopenshell.entity_instance]
-    ) -> None:
+    def _reattach_styles(file: ifcopenshell.file, copied_entities: dict[int, ifcopenshell.entity_instance]) -> None:
         """copy_deep only follows forward references, so IfcStyledItem (an inverse,
         ``StyledByItem``) is not carried onto the copied geometry. Re-create a
         styled item on each copy that points at the same presentation styles as
diff --git a/src/ifcopenshell-python/test/test_parse.py b/src/ifcopenshell-python/test/test_parse.py
index f1585cc0f0..4f3617ebca 100644
--- a/src/ifcopenshell-python/test/test_parse.py
+++ b/src/ifcopenshell-python/test/test_parse.py
@@ -20,7 +20,9 @@ END-ISO-10303-21;
 
 
 def test_reference_to_undefined_owning_instance():
-    data = "ISO-10303-21;HEADER;FILE_DESCRIPTION();FILE_NAME();FILE_SCHEMA(('IFC4'));#=IFCRELAGGREGATES((#))#5=IFCPOINT)"
+    data = (
+        "ISO-10303-21;HEADER;FILE_DESCRIPTION();FILE_NAME();FILE_SCHEMA(('IFC4'));#=IFCRELAGGREGATES((#))#5=IFCPOINT)"
+    )
     ifcopenshell.file.from_string(data)
     print(ifcopenshell.get_log())