Allow python to find gtk module. (originally nsanders CL)
Allow python to find gtk module. (originally nsanders CL)

BUG=4464
TEST=manually edit file so far

Review URL: http://codereview.chromium.org/2850045

andrejro/coreos--scripts,mischief/scripts,coreos/scripts,BugRoger/scripts,crawford/scripts,marineam/coreos-scripts,fivethreeo/scripts,BugRoger/scripts,vmware/coreos-scripts,nicescale/scripts,mjg59/scripts,nicescale/scripts,zhang0137/scripts,trnubo/scripts,sigma/coreos-scripts,gtank/scripts,crawford/scripts,trnubo/scripts,glevand/coreos--scripts,gtank/scripts,sigma/coreos-scripts,mjg59/scripts,BugRoger/scripts,smilart/scripts,fivethreeo/scripts,andrejro/coreos--scripts,trnubo/scripts,bcwaldon/coreos-scripts,smilart/scripts,bcwaldon/coreos-scripts,bcwaldon/coreos-scripts,vmware/coreos-scripts,marineam/coreos-scripts,sigma/coreos-scripts,endocode/scripts,fivethreeo/scripts,andrejro/coreos--scripts,coreos/scripts,mjg59/scripts,endocode/scripts,endocode/scripts,smilart/scripts,gtank/scripts,nicescale/scripts,glevand/coreos--scripts,vmware/coreos-scripts,marineam/coreos-scripts,mischief/scripts,zhang0137/scripts,crawford/scripts,mischief/scripts,zhang0137/scripts