This will attempt to do so in a Python2-compatible way.

Bug: 1210746
Change-Id: I09edc21a5c47106803c0ac5ca449e0f8732efb24
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2906501
Auto-Submit: Dirk Pranke <dpranke@google.com>
Reviewed-by: Edward Lesmes <ehmaldonado@chromium.org>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>