docs: def save(self, *args, **kwargs):
          """ custom save method to update counts """
          # the following lines determines if the comment is being created or not
          # in case the comment exists the pk attribute is an int
          created = type(self.pk) is not int
  
          super(UpdateCountsMixin, self).save(*args, **kwargs)
  
          # this operation must be performed after the parent save
          if created:
              self.update_count()