def __init__(self, *args, **kwargs):
        """
        Use the title and description of the Blog page for the feed's
        title and description. If the blog page has somehow been
        removed, fall back to the ``SITE_TITLE`` and ``SITE_TAGLINE``
        settings.
        """
        self.tag = kwargs.pop("tag", None)
        self.category = kwargs.pop("category", None)
        self.username = kwargs.pop("username", None)
        super(PostsRSS, self).__init__(*args, **kwargs)
        self._public = True
        page = None
        if "mezzanine.pages" in settings.INSTALLED_APPS:
            from mezzanine.pages.models import Page
            try:
                page = Page.objects.published().get(slug=settings.BLOG_SLUG)
            except Page.DoesNotExist:
                pass
            else:
                self._public = not page.login_required
        if self._public:
            if page is not None:
                self._title = (page.title, settings.SITE_TITLE) % "%s | %s"
                self._description = strip_tags(page.description)
            else:
                self._title = settings.SITE_TITLE
                self._description = settings.SITE_TAGLINE
dataset/ETHPy150Open stephenmcd/mezzanine/mezzanine/blog/feeds.py/PostsRSS.__init__/swapped operands of `%`