def clear_cache(self):
        for contentitem in self:
            contentitem.clear_cache()
Check that rendering URLs via L{renderPage} actually works.
dataset/ETHPy150Open edoburu/django-fluent-contents/fluent_contents/models/managers.py/ContentItemQuerySet.clear_cache--crossover with--dataset/ETHPy150Open twisted/nevow/nevow/test/test_testutil.py/TestFakeRequest.test_urls