155             self.validated = False

   155             self.validated = False

   156             self.validator = None

   156             self.validator = None

   157             self.validation_date = None

   157             self.validation_date = None

   158             self.save()

   158             self.save()

   159     

   159     

   160     class Meta:

   163     class Meta:

   161         app_label = 'core'

   164         app_label = 'core'

   162         

   165         

   163     class MPTTMeta:

   166     class MPTTMeta:

   164         order_insertion_by = ['normalized_label']

   167         order_insertion_by = ['normalized_label']