docs: def handle(self, **kwargs):
        """
        Simply re-saves all objects from models listed in settings.TIMELINE_MODELS. Since the timeline
        app is now following these models, it will register each item as it is re-saved. The purpose of this
        script is to register content in your database that existed prior to installing the timeline app.
        """
        for item in settings.ACTIVITY_MONITOR_MODELS:
          app_label, model = item['model'].split('.', 1)
          content_type = ContentType.objects.get(app_label=app_label, model=model)
          model = content_type.model_class()
  
          objects = model.objects.all()
  
          for object in objects:
            try:
              object.save()
            except Exception as e:
              print("Error saving: {}".format(e))