old_contents: from django.apps import AppConfig
  from django.utils.translation import ugettext_lazy as _
  
  
  class SchedulesConfig(AppConfig):
      name = 'openedx.core.djangoapps.schedules'
      verbose_name = _('Schedules')
  
      def ready(self):
          # noinspection PyUnresolvedReferences
          from . import signals, tasks  # pylint: disable=unused-variable
  
new_contents: from django.apps import AppConfig
  from django.utils.translation import ugettext_lazy as _
  
  
  class SchedulesConfig(AppConfig):
      name = 'openedx.core.djangoapps.schedules'
      verbose_name = _('Schedules')
  
      plugin_app = {}
  
      def ready(self):
          # noinspection PyUnresolvedReferences
          from . import signals, tasks  # pylint: disable=unused-variable
  
subject: Update schedules app to be a Django App Plugin