def __init__(self, field, request, params, model, model_admin, field_path):
        """Use GET param for lookup and form initialization."""
        self.lookup_kwarg = field_path % '%s'
        super(SalmonellaFilter, self).__init__(
            field, request, params, model, model_admin, field_path)
        self.form = self.get_form(request, field.rel, model_admin.admin_site)
dataset/ETHPy150Open lincolnloop/django-salmonella/salmonella/filters.py/SalmonellaFilter.__init__/swapped operands of `%`