def get_category_aliases_under(parent_alias=None):
    return [ch.alias for ch in get_cache().get_children_for(parent_alias, only_with_aliases=True)]
:returns: A queryset of the nodes that must be moved
dataset/ETHPy150Open idlesign/django-sitecats/sitecats/toolbox.py/get_category_aliases_under--crossover with--dataset/ETHPy150Open tabo/django-treebeard/treebeard/models.py/Node.get_sorted_pos_queryset