id() is a built-in function in Python, so rename the property to link_id. Add
a scope_path StringProperty to cache the string representation of the
transitive closure of the nested scopes of an entity.
Patch by: Todd Larsen
from django.core.management.base import NoArgsCommand
class Command(NoArgsCommand):
help = "Validates all installed models."
requires_model_validation = False
def handle_noargs(self, **options):
self.validate(display_num_errors=True)