This is the latest version, which supports Python 3 only.

Bug: 1123433
Change-Id: I7516ed52d64f38f8214c6295e9ad3d08a98e2b4d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2473704
Auto-Submit: Owen Rodley <orodley@chromium.org>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
Reviewed-by: Edward Lesmes <ehmaldonado@chromium.org>