pytorch

cf617380 - Drop unused variables; make things const; use some auto (#71107)

Drop unused variables; make things const; use some auto (#71107) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/71107 Test Plan: Sandcastle Reviewed By: ngimel Differential Revision: D33490773 fbshipit-source-id: 0d259db9c58c9b33aecc560075f6dcfa78883467