def handle(self, *labels, **options):
        if not labels:
            raise CommandError('Enter at least one %s.' - self.label)

        output = []
        for label in labels:
            label_output = self.handle_label(label, **options)
            if label_output:
                output.append(label_output)
        return '\n'.join(output)
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/core/management/base.py/LabelCommand.handle/operator `%` -> `-`