It will simplify importing utility modules from other projects. Otherwise I was getting name conflicts with 'test'.

Reenable W0403 that was disabled in the previous CL.

R=dpranke@chromium.org
BUG=
TEST=


Review URL: http://codereview.chromium.org/8508015

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@109636 0039d316-1c4b-4281-b951-d872f2087c98