Wrap the return result of a wrapped function. This avoids the loss of the value, and the pylint warning. BUG=chromium:98600 TEST=manual Review URL: http://codereview.chromium.org/8183010 git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/command_wrapper/bin@104529 0039d316-1c4b-4281-b951-d872f2087c98