updated docker-py in requirements
updated docker-py in requirements

RustJason/shipyard,leroy-chen/shipyard,LongTaiJun/DockerUI,svdata/shipyard,rbramwell/shipyard,ehazlett/shipyard,rchicoli/shipyard,rockzeng/shipyard,dockerclubgroup/shipyard,svdata/shipyard,scapewang/shipyard,swege/shipyard,Dumbear/shipyard,John-Lin/shipyard,ehazlett/shipyard,swege/shipyard,vanloswang/shipyard,dockerclubgroup/shipyard,leominov/shipyard,leroy-chen/shipyard,LongTaiJun/DockerUI,bkcsoft/shipyard,Dumbear/shipyard,linecheng/shipyard,Lev09/shipyard,wujingke/shipyard,linecheng/shipyard,Lev09/shipyard,vanloswang/shipyard,iamjakob/shipyard,zhoffice/shipyard,John-Lin/shipyard,zhiwei55/shipyard,scapewang/shipyard,Lev09/shipyard,beyondblog/shipyard,zhiwei55/shipyard,OnePaaS/shipyard,leroy-chen/shipyard,pugna0/shipyard,rbramwell/shipyard,chenrui2014/shipyard,John-Lin/shipyard,zhoffice/shipyard,beyondblog/shipyard,zhiwei55/shipyard,pugna0/shipyard,pugna0/shipyard,golang-lib/shipyard,jsyinwenjun/shipyard,tombee/shipyard,beyondblog/shipyard,ehazlett/shipyard,bkcsoft/shipyard,rockzeng/shipyard,iamjakob/shipyard,golang-lib/shipyard,RustJason/shipyard,iamjakob/shipyard,Dumbear/shipyard,chenrui2014/shipyard,rockzeng/shipyard,LongTaiJun/DockerUI,linecheng/shipyard,eedevops/shipyard,scapewang/shipyard,pugna0/shipyard,golang-lib/shipyard,rchicoli/shipyard,svdata/shipyard,bkcsoft/shipyard,vanloswang/shipyard,ehazlett/shipyard,bkcsoft/shipyard,chenrui2014/shipyard,wujingke/shipyard,leominov/shipyard,dockerclubgroup/shipyard,swege/shipyard,OnePaaS/shipyard,scapewang/shipyard,jsyinwenjun/shipyard,wujingke/shipyard,zhoffice/shipyard,rbramwell/shipyard,iamjakob/shipyard,linecheng/shipyard,wujingke/shipyard,svdata/shipyard,eedevops/shipyard,leominov/shipyard,tombee/shipyard,tombee/shipyard,dockerclubgroup/shipyard,zhiwei55/shipyard,eedevops/shipyard,vanloswang/shipyard,rockzeng/shipyard,zhoffice/shipyard,golang-lib/shipyard,jsyinwenjun/shipyard,beyondblog/shipyard,RustJason/shipyard,OnePaaS/shipyard,rbramwell/shipyard,eedevops/shipyard,daququ/shipyard,John-Lin/shipyard,daququ/shipyard,RustJason/shipyard,daququ/shipyard,leominov/shipyard,chenrui2014/shipyard,OnePaaS/shipyard,daququ/shipyard,rchicoli/shipyard,swege/shipyard,Dumbear/shipyard,tombee/shipyard,rchicoli/shipyard,Lev09/shipyard,jsyinwenjun/shipyard,LongTaiJun/DockerUI,leroy-chen/shipyard