Double fetch depth. (#29030)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/29030
Might fix #27648
Signed-off-by: Edward Z. Yang <ezyang@fb.com>
Test Plan: Imported from OSS
Differential Revision: D18300252
Pulled By: ezyang
fbshipit-source-id: 542c16b6c1e78c2f9cc45e567f2e0cd1d4272ee3
