docs: def create_new_values(self):
          """
          Create values created by the user input. Return the model instances QS.
          """
          model = self.queryset.model
          pks = []
          extra_create_kwargs = self.extra_create_kwargs()
          for value in self._new_values:
              create_kwargs = {self.create_field: value}
              create_kwargs.update(extra_create_kwargs)
              new_item = self.create_item(**create_kwargs)
              pks.append(new_item.pk)
          return model.objects.filter(pk__in=pks)