def latest(self):
        try:
            return self.revisions.order_by("-updated")[0]
        except IndexError:
            return None
Get a Panel that is the current data in view. It is not safe to persist
dataset/ETHPy150Open pinax/pinax-blog/pinax/blog/models.py/Post.latest--crossover with--dataset/ETHPy150Open quantopian/zipline/zipline/utils/data.py/RollingPanel.get_current