Make isIdDeveloper() also able to check an is_developer Boolean property in
User entities.
Review URL: http://codereviews.googleopensourceprograms.com/601
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)