change output of ai_pep_format (#21440)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/21440
This diff modifies the output format when ai_pep_format is enabled.
Reviewed By: hl475
Differential Revision: D15681042
fbshipit-source-id: df5f2dbb38d1bd866ca7f74ef4e63459d480be6e
