operators.py

            # save current rto history
            for rto, history, in rto_history.items():
                if history.get(view_layer.name, None):
                    phantom_history[rto+"_history"] = deepcopy(history[view_layer.name])


        # return to normal mode
        else:
            laycol_iter_list = [view_layer.layer_collection.children]
            while len(laycol_iter_list) > 0:
                new_laycol_iter_list = []
                for laycol_iter in laycol_iter_list:
                    for layer_collection in laycol_iter:
                        phantom_laycol = phantom_history["initial_state"][layer_collection.name]

                        layer_collection.exclude = \
                            phantom_laycol["exclude"]

                        layer_collection.collection.hide_select = \
                            phantom_laycol["select"]

                        layer_collection.hide_viewport = \
                            phantom_laycol["hide"]

                        layer_collection.collection.hide_viewport = \
                            phantom_laycol["disable"]

                        layer_collection.collection.hide_render = \
                            phantom_laycol["render"]


                        if len(layer_collection.children) > 0:
                            new_laycol_iter_list.append(layer_collection.children)

                laycol_iter_list = new_laycol_iter_list


            # restore previous rto history
            for rto, history, in rto_history.items():
                if view_layer.name in history:
                    del history[view_layer.name]

                if phantom_history[rto+"_history"]:
                    history[view_layer.name] = deepcopy(phantom_history[rto+"_history"])

                phantom_history[rto+"_history"].clear()

            cm.in_phantom_mode = False


        return {'FINISHED'}