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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def index_queryset(self, using=None):
 """ Index current language translation of published objects. TODO: Find a way to index all translations of the given model, not just the current site language's translation. """

        translation.activate(settings.LANGUAGE_CODE)
        return self.get_model().objects.filter(status=UrlNode.PUBLISHED).select_related()