+A management command which deletes expired accounts (e.g.,
+accounts which signed up but never activated) from the database.
+Calls ``RegistrationProfile.objects.delete_expired_users()``, which
+contains the actual logic for determining which accounts are deleted.
+from django.core.management.base import NoArgsCommand
+from django.core.management.base import CommandError
+from registration.models import RegistrationProfile
+ help = "Delete expired user registrations from the database"
+ def handle_noargs(self, **options):