chore: use '_unused'

src/io_scene_vrm/editor/mtoon1/handler.py

@@ -64,10 +64,10 @@ def trigger_update_mtoon1_outline() -> None:
 
 
 @persistent
-def save_pre(_dummy: object) -> None:
+def save_pre(_unused: object) -> None:
  update_mtoon1_outline()
 
 
 @persistent
-def depsgraph_update_pre(_dummy: object) -> None:
+def depsgraph_update_pre(_unused: object) -> None:
  trigger_update_mtoon1_outline()

src/io_scene_vrm/editor/spring_bone1/handler.py

@@ -498,14 +498,14 @@ def calculate_joint_pair_head_pose_bone_rotations(
 
 
 @persistent
-def depsgraph_update_pre(_dummy: object) -> None:
+def depsgraph_update_pre(_unused: object) -> None:
  context = bpy.context
 
  state.reset(context)
 
 
 @persistent
-def frame_change_pre(_dummy: object) -> None:
+def frame_change_pre(_unused: object) -> None:
  context = bpy.context
 
  fps = Decimal(context.scene.render.fps)

src/io_scene_vrm/editor/vrm0/handler.py

@@ -8,12 +8,12 @@
 
 
 @persistent
-def frame_change_pre(_dummy: object) -> None:
+def frame_change_pre(_unused: object) -> None:
  Vrm0BlendShapeGroupPropertyGroup.frame_change_post_shape_key_updates.clear()
 
 
 @persistent
-def frame_change_post(_dummy: object) -> None:
+def frame_change_post(_unused: object) -> None:
  context = bpy.context
 
  for (

src/io_scene_vrm/editor/vrm1/handler.py

@@ -12,12 +12,12 @@
 
 
 @persistent
-def frame_change_pre(_dummy: object) -> None:
+def frame_change_pre(_unused: object) -> None:
  Vrm1ExpressionPropertyGroup.frame_change_post_shape_key_updates.clear()
 
 
 @persistent
-def frame_change_post(_dummy: object) -> None:
+def frame_change_post(_unused: object) -> None:
  context = bpy.context
 
  for (
@@ -73,7 +73,7 @@ def update_look_at_preview() -> Optional[float]:
 
 
 @persistent
-def save_pre(_dummy: object) -> None:
+def save_pre(_unused: object) -> None:
  update_look_at_preview()
 
 
@@ -84,5 +84,5 @@ def trigger_update_look_at_preview() -> None:
 
 
 @persistent
-def depsgraph_update_pre(_dummy: object) -> None:
+def depsgraph_update_pre(_unused: object) -> None:
  trigger_update_look_at_preview()

src/io_scene_vrm/registration.py

@@ -78,7 +78,7 @@ def setup(*, load_post: bool) -> None:
 
 
 @persistent
-def load_post(_dummy: object) -> None:
+def load_post(_unused: object) -> None:
  if (
  depsgraph_update_pre_once_if_load_post_is_unavailable
  in bpy.app.handlers.depsgraph_update_pre
@@ -91,7 +91,7 @@ def load_post(_dummy: object) -> None:
 
 
 @persistent
-def depsgraph_update_pre_once_if_load_post_is_unavailable(_dummy: object) -> None:
+def depsgraph_update_pre_once_if_load_post_is_unavailable(_unused: object) -> None:
  """Execute the same routine as load_post() in depsgraph_update_pre().
 
  We want to execute the same routine as load_post() when register() is called.
@@ -113,12 +113,12 @@ def depsgraph_update_pre_once_if_load_post_is_unavailable(_dummy: object) -> Non
 
 
 @persistent
-def depsgraph_update_pre(_dummy: object) -> None:
+def depsgraph_update_pre(_unused: object) -> None:
  trigger_clear_addon_version_cache()
 
 
 @persistent
-def save_pre(_dummy: object) -> None:
+def save_pre(_unused: object) -> None:
  # Apply pending changes before saving.
  depsgraph_update_pre_once_if_load_post_is_unavailable(None)
  context = bpy.context