Fixed syntax error in build.py.
Fixed syntax error in build.py.

Letractively/script-cover,transtefan/lehuantran-scriptcover-test,transtefan/lehuantran-scriptcover-test,Letractively/script-cover,eguanlao/script-cover,transtefan/lehuantran-scriptcover-test,eguanlao/script-cover,Letractively/script-cover,eguanlao/script-cover