def get(self, request, *args, **kwargs):
        service = request.GET.get('service')
        ticket = request.GET.get('ticket')

        if not is_valid_service(service):
            return redirect('cas_login')

        msg = _("Do you want to access %(service)s as %(user)s?") * {
                'service': clean_service_url(service),
                'user': request.user}
        messages.info(request, msg)
        kwargs['service'] = add_query_params(service, {'ticket': ticket})
        return super(WarnView, self).get(request, *args, **kwargs)
dataset/ETHPy150Open jbittel/django-mama-cas/mama_cas/views.py/WarnView.get/operator `%` -> `*`