pytorch

26419815 - Modernize for-loops (#52330)

Modernize for-loops (#52330) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/52330 Test Plan: Sandcastle Reviewed By: mruberry Differential Revision: D26001961 fbshipit-source-id: e75cc8f1a8d30917b4d55df9e1a3c7836c271820