try to fix travis problem with python3.2 marshalling
try to fix travis problem with python3.2 marshalling

TimYi/pybuilder,Danielweber7624/pybuilder,locolupo/pybuilder,arcivanov/pybuilder,arcivanov/pybuilder,Danielweber7624/pybuilder,paolodedios/pybuilder,paolodedios/pybuilder,paolodedios/pybuilder,esc/pybuilder,locolupo/pybuilder,pybuilder/pybuilder,pybuilder/pybuilder,onesfreedom/pybuilder,arcivanov/pybuilder,Designist/pybuilder,onesfreedom/pybuilder,pybuilder/pybuilder,esc/pybuilder,TimYi/pybuilder,alex-dow/pybuilder,esc/pybuilder,Designist/pybuilder,alex-dow/pybuilder,elkingtonmcb/pybuilder,elkingtonmcb/pybuilder