Gate psutil import to make tests pass (#1282)
Gate psutil import to make tests pass (#1282)

Summary:
Gate psutil import to make tests pass

Pull Request resolved: https://github.com/fairinternal/fairseq-py/pull/1282

Reviewed By: tangyuq

Differential Revision: D23822037

Pulled By: myleott

fbshipit-source-id: c652c7931147ecd377d78322840e343c55cb85a2

pytorch/fairseq,pytorch/fairseq,pytorch/fairseq