reffactor core model

core/models.py

@@ -42,6 +42,7 @@ class AbstractDateTimeModel(models.Model):
     class Meta:
         abstract = True
 
+
 # @TODO: translate into english and use translation
 class AbstractStatusModel(AbstractDateTimeModel):
     status = models.SmallIntegerField(_('статус'), default=STATUS_DEFAULT, choices=STATUS_CHOICES)