pytorch

a3f2fe0d - Prevent CUDAFuture from using uninitialized device index (#51505)

Prevent CUDAFuture from using uninitialized device index (#51505) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/51505 Test Plan: Imported from OSS Reviewed By: lw Differential Revision: D26187380 Pulled By: mrshenli fbshipit-source-id: 437bb1244a65ee859458d9a87fdaef9f4dd20b59