django-mptt/django-mptt — pull request #199 by BertrandBordage (2012-07-08 18:51:43+00:00)
Title: Allows *filter_args in MPTTModel.get_[next|previous]_sibling.

Useful when using django.db.models.Q

Example:

today = datetime.date.today()
ExampleModel.get_next_sibling(Q(date__isnull=True) | Q(date__lte=today),
name__contains='something')