(self, location_ids)
return self.get_queryset_descendants(
            self.filter(location_id__in=location_ids),
            include_self=True
        )
Takes a set of location ids and returns a django queryset of those
        locations and their children.
Takes a set of location ids and returns a django queryset of those
        locations and their children.
Takes a set of location ids and returns a django queryset of those locations and their children .
def get_locations_and_children(self, location_ids):
        """
        Takes a set of location ids and returns a django queryset of those
        locations and their children.
        """
        return self.get_queryset_descendants(
            self.filter(location_id__in=location_ids),
            include_self=True
        )
def get_locations_and_children ( self , location_ids ) : return self . get_queryset_descendants ( self . filter ( location_id__in = location_ids ) , include_self = True )