Cleanup based on running pylint.

BUG=none
TEST=none

Change-Id: Ideb171a8ad41ab8ac836c236cdfbef18289c803a
Reviewed-on: https://gerrit.chromium.org/gerrit/20548
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Tested-by: Tammo Spalink <tammo@chromium.org>
Commit-Ready: Tammo Spalink <tammo@chromium.org>
3 files changed