diff --git a/src/ifc5d/ifc5d/qto.py b/src/ifc5d/ifc5d/qto.py
index 899861868a..deb14f0a22 100644
--- a/src/ifc5d/ifc5d/qto.py
+++ b/src/ifc5d/ifc5d/qto.py
@@ -173,7 +173,8 @@ class IteratorForTypes:
     element: Union[ifcopenshell.entity_instance, None] = None
     shape: Union[ifcopenshell.geom.ShapeType, None] = None
 
-    def __init__(self,
+    def __init__(
+        self,
         ifc_file: ifcopenshell.file,
         settings: ifcopenshell.geom.settings,
         elements: Iterable[ifcopenshell.entity_instance],
@@ -573,4 +574,4 @@ class Blender(QtoCalculator):
 calculators: dict[str, type[QtoCalculator]] = {
     "Blender": Blender,
     "IfcOpenShell": IfcOpenShell,
-}
\ No newline at end of file
+}