update for change in blender

io_anim_acclaim/__init__.py

@@ -399,7 +399,6 @@ class AmcAnimator(bpy.types.Operator):
         bpy.context.scene.frame_set(bpy.context.scene.frame_current)
         context.window_manager.event_timer_remove(self.timer)
         bpy.ops.object.mode_set(mode='OBJECT')
-        return {'CANCELLED'}
 
 
 class AmcImporter(bpy.types.Operator):

io_anim_c3d/__init__.py

@@ -95,7 +95,6 @@ class C3DAnimateCloud(bpy.types.Operator):
     def cancel(self, context):
         bpy.context.scene.frame_set(bpy.context.scene.frame_current)
         context.window_manager.event_timer_remove(self.timer)
-        return {'CANCELLED'}
 
 
 class C3DImporter(bpy.types.Operator):

space_view3d_screencast_keys.py

@@ -603,7 +603,6 @@ class ScreencastKeysStatus(bpy.types.Operator):
         if context.window_manager.screencast_keys_keys:
             ScreencastKeysStatus.handle_remove(context)
             context.window_manager.screencast_keys_keys = False
-        return {'CANCELLED'}
 
     def invoke(self, context, event):
         if context.area.type == 'VIEW_3D':

system_demo_mode/demo_mode.py

@@ -404,7 +404,6 @@ class DemoMode(bpy.types.Operator):
         print("func:DemoMode.cancel")
         # disable here means no running on file-load.
         self.cleanup()
-        return {'CANCELLED'}
 
     # call from DemoModeControl
     @classmethod