Fix for randomely ocurring bug
The bug and it's fix are described by the first comment from Guido
in http://code.google.com/p/googleappengine/issues/detail?id=772.
Patch by: Guido van Rossum
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)