define use_cuda in dropout backward to allow peephole optimization to… (#20289)
Summary:
… work
Pull Request resolved: https://github.com/pytorch/pytorch/pull/20289
Differential Revision: D15350262
Pulled By: wanchaol
fbshipit-source-id: b457304688524822c1e6f23049e05472130c1ff4
Author
Natalia Gimelshein
