def _get_pages(self):
        if self._pages is None:
            hits = (self.hits - 1 - self.orphans)
            if hits < 1:
                hits = 0
            self._pages = hits // self.num_per_page + 1
        return self._pages
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-0.96/django/core/paginator.py/ObjectPaginator._get_pages/original