yapf: remove unused `re` import
yapf: remove unused `re` import

Bug: None
Change-Id: I4c161b05ab5c743cf8d6fddbf40af759f186eccc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3782487
Reviewed-by: Gavin Mak <bdcbd10822f2f5deecea3bf14d73e9025b1b8375@google.com>
Reviewed-by: Aravind Vasudevan <dbe94b625b74f03bb5e24a737a4f1e15753433de@google.com>
Commit-Queue: Thiago Perrotta <660c40383373240e945f6beab69fd6841cb4aa33@chromium.org>
Auto-Submit: Thiago Perrotta <660c40383373240e945f6beab69fd6841cb4aa33@chromium.org>

CoherentLabs/depot_tools,CoherentLabs/depot_tools