1 files changed, 18 insertions, 11 deletions
diff --git a/doc/python_api/examples/bpy.types.bpy_struct.keyframe_insert.1.py b/doc/python_api/examples/bpy.types.bpy_struct.keyframe_insert.1.py
index d46ffcc8373..27706c06688 100644
--- a/doc/python_api/examples/bpy.types.bpy_struct.keyframe_insert.1.py
+++ b/doc/python_api/examples/bpy.types.bpy_struct.keyframe_insert.1.py
@@ -5,25 +5,32 @@ than the bone.
 """
 
 import bpy
-from bpy.props import PointerProperty
+from bpy.props import (
+    FloatProperty,
+    PointerProperty,
+)
 
 
-# define a nested property
+# Define a nested property.
 class MyPropGroup(bpy.types.PropertyGroup):
-    nested = bpy.props.FloatProperty(name="Nested", default=0.0)
+    nested: FloatProperty(name="Nested", default=0.0)
 
 
-# register it so its available for all bones
+# Register it so its available for all bones.
 bpy.utils.register_class(MyPropGroup)
-bpy.types.Bone.my_prop = PointerProperty(type=MyPropGroup,
-                                         name="MyProp")
+bpy.types.Bone.my_prop = PointerProperty(
+    type=MyPropGroup,
+    name="MyProp",
+)
 
-# get a bone
+# Get a bone.
 obj = bpy.data.objects["Armature"]
 arm = obj.data
 
-# set the keyframe at frame 1
+# Set the keyframe at frame 1.
 arm.bones["Bone"].my_prop_group.nested = 10
-arm.keyframe_insert(data_path='bones["Bone"].my_prop.nested',
-                    frame=1,
-                    group="Nested Group")
+arm.keyframe_insert(
+    data_path='bones["Bone"].my_prop.nested',
+    frame=1,
+    group="Nested Group",
+)