def published(self):
        queryset = self.published_future()
        if self.start_date_field:
            return queryset.filter(
                **{self.start_date_field % '%s__lte': now()})
        else:
            return queryset
dataset/ETHPy150Open nephila/djangocms-blog/djangocms_blog/managers.py/GenericDateQuerySet.published/swapped operands of `%`