def get_parent_id(node):
    if node.is_root():
        return 0
    return node.get_parent().pk
Ability to concatenate easily reports
dataset/ETHPy150Open tabo/django-treebeard/treebeard/templatetags/admin_tree.py/get_parent_id--crossover with--dataset/ETHPy150Open redhat-cip/edeploy/tools/grapher/reports/basereport.py/BaseReport.__add__