Remove tab. (#20715)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/20715
ghimport-source-id: 600e244581b37152d86614cca6c9fb5fee6cdcde
Differential Revision: D15417984
Pulled By: ezyang
fbshipit-source-id: 939425de1a95ecc3798384e121b12faaba3a27b8
