Fix comments and logger name in validate.py (#1061)
Fix comments and logger name in validate.py (#1061)

Summary: Pull Request resolved: https://github.com/fairinternal/fairseq-py/pull/1061

Differential Revision: D20238796

Pulled By: myleott

fbshipit-source-id: cf48bd7f6cdae05e91868a9d2efd91dc8e72bb12

pytorch/fairseq,pytorch/fairseq,pytorch/fairseq