def _get_num_pages(self):
        raise NotImplementedError
Prefetches one or more URLs to the CDN edge nodes.
dataset/ETHPy150Open amarandon/smeuhsocial/apps/pagination/paginator.py/InfinitePaginator._get_num_pages--crossover with--dataset/ETHPy150Open softlayer/softlayer-python/SoftLayer/managers/cdn.py/CDNManager.load_content