Changed the type of Error occurring when no valid sender could be found to a FatalJobError in student_proposal_mailer. This means that the job will be immediately aborted. This patch is due to comments on r3000 by SRabbelier. Patch by: Lennard de Rijk Reviewed by: to-be-reviewed

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)