def __iter__(self):
    return self
Polls with a pub_date in the past should be displayed on the index page.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/db/__init__.py/_QueryIterator.__iter__--crossover with--dataset/ETHPy150Open disqus/sharding-example/polls/tests.py/PollViewTests.test_index_view_with_a_past_poll