registrasion/controllers/invoice.py
def _mark_void(self):
        ''' Marks the invoice as refunded, and updates the attached cart if
        necessary. '''
        self.invoice.status = commerce.Invoice.STATUS_VOID
        self.invoice.save()
def _mark_void(self):
        ''' Marks the invoice as refunded, and updates the attached cart if
        necessary. '''
        self.invoice.status = commerce.Invoice.STATUS_VOID
        self.invoice.save()
Marks the invoice as refunded, and updates the attached cart if
        necessary.