def fit(self, data):
        if data is None:
            self.train_self()
        else:
            # not needed this week
            pass
Check that a cached sitemap index can be rendered (#2713).
dataset/ETHPy150Open LargePanda/LearnPy/learnpy/models/NaiveBayes.py/NaiveBayes.fit--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/sitemaps/tests/http.py/HTTPSitemapTests.test_cached_sitemap_index