fix travis script
fix travis script

s1ider/slackbot,merqurio/slackbot,foresterh/slackbot,hotsyk/slackbot,kave/zenhub-slackbot,merqurio/slackbot,pengzhangdev/slackbot,Haukiii/slackbot,foresterh/slackbot,Haukiii/slackbot,jathanism/slackbot,STANAPO/slackbot,hotsyk/slackbot,pengzhangdev/slackbot,kenden/slackbot,smalenfant/slackbot,lins05/slackbot,jathanism/slackbot,philfung/slackbot,s1ider/slackbot,TimZehta/slackbot,kivra/slackbot,grantvix/images,STANAPO/slackbot,philfung/slackbot,zatonovo/slackbot,kienpham2000/slackbot,TimZehta/slackbot,lins05/slackbot,kave/zenhub-slackbot,smalenfant/slackbot,kivra/slackbot,zatonovo/slackbot,kenden/slackbot,kienpham2000/slackbot