diff --git a/src/ifcopenshell-python/ifcopenshell/api/alignment/map_alignment_cant_segment.py b/src/ifcopenshell-python/ifcopenshell/api/alignment/map_alignment_cant_segment.py
index cd87c30c69..90f72972dd 100644
--- a/src/ifcopenshell-python/ifcopenshell/api/alignment/map_alignment_cant_segment.py
+++ b/src/ifcopenshell-python/ifcopenshell/api/alignment/map_alignment_cant_segment.py
@@ -22,6 +22,7 @@ from ifcopenshell.api.alignment import get_axis_subcontext
 from typing import Sequence
 import math
 
+
 def _get_axis(file: ifcopenshell.file, Ds: float, rail_head_distance: float) -> entity_instance:
     Dy = rail_head_distance
     Dz = 2 * Ds
diff --git a/src/ifcopenshell-python/ifcopenshell/geom/main.py b/src/ifcopenshell-python/ifcopenshell/geom/main.py
index 037eba1317..fa0db6a2c7 100644
--- a/src/ifcopenshell-python/ifcopenshell/geom/main.py
+++ b/src/ifcopenshell-python/ifcopenshell/geom/main.py
@@ -252,17 +252,17 @@ class settings_mixin:
                 group = parser.add_mutually_exclusive_group()
                 group.add_argument(
                     f"--{nm}",
-                    dest=nm.replace('-', '_'),
+                    dest=nm.replace("-", "_"),
                     action="store_true",
                 )
                 group.add_argument(
                     f"--no-{nm}",
-                    dest=nm.replace('-', '_'),
+                    dest=nm.replace("-", "_"),
                     action="store_false",
                 )
-                parser.set_defaults(**{nm.replace('-', '_'): None})
+                parser.set_defaults(**{nm.replace("-", "_"): None})
             else:
-                parser.add_argument(f"--{nm}", dest=nm.replace('-', '_'), type=type_factories[ty])
+                parser.add_argument(f"--{nm}", dest=nm.replace("-", "_"), type=type_factories[ty])
 
     def apply_namespace(self, namespace) -> None:
         """
@@ -271,8 +271,8 @@ class settings_mixin:
         """
         names = set(self.setting_names())
         for k, v in namespace._get_kwargs():
-            if k.replace('_', '-') in names and v is not None:
-                self.set(k.replace('_', '-'), v)
+            if k.replace("_", "-") in names and v is not None:
+                self.set(k.replace("_", "-"), v)
 
 
 class serializer_settings(settings_mixin, ifcopenshell_wrapper.SerializerSettings):