Cleanup: simplify attribute access

Avoid getattr(..) when values are know to exist.

scripts/startup/bl_operators/anim.py

@@ -694,7 +694,7 @@ class ANIM_OT_slot_new_for_id(Operator):
         return True
 
     def execute(self, context):
-        animated_id = getattr(context, "animated_id", None)
+        animated_id = context.animated_id
 
         action = animated_id.animation_data.action
         slot = action.slots.new(for_id=animated_id)
@@ -726,7 +726,7 @@ class ANIM_OT_slot_unassign_from_id(Operator):
         return True
 
     def execute(self, context):
-        animated_id = getattr(context, "animated_id", None)
+        animated_id = context.animated_id
         animated_id.animation_data.action_slot = None
         return {'FINISHED'}
 

scripts/startup/bl_ui/space_dopesheet.py

@@ -342,7 +342,7 @@ class DOPESHEET_HT_editor_buttons:
             case 'ACTION':
                 return context.object
             case 'SHAPEKEY':
-                return context.object.data and getattr(context.object.data, 'shape_keys', None)
+                return getattr(context.object.data, "shape_keys", None)
             case _:
                 print("Dope Sheet mode '{:s}' not expected to have an Action selector".format(st.mode))
                 return context.object