Install mock for pytohn 2.6
Install mock for pytohn 2.6

lucius-feng/flower,asmodehn/flower,raphaelmerx/flower,jzhou77/flower,Lingling7/flower,marrybird/flower,jzhou77/flower,pj/flower,pj/flower,pygeek/flower,pygeek/flower,Lingling7/flower,tellapart/flower,raphaelmerx/flower,ChinaQuants/flower,alexmojaki/flower,ucb-bar/bar-crawl-web,barseghyanartur/flower,pygeek/flower,ChinaQuants/flower,allengaller/flower,getupcloud/flower,alexmojaki/flower,lucius-feng/flower,alexmojaki/flower,asmodehn/flower,marrybird/flower,marrybird/flower,ucb-bar/bar-crawl-web,jzhou77/flower,lucius-feng/flower,ucb-bar/bar-crawl-web,allengaller/flower,tellapart/flower,allengaller/flower,pj/flower,Lingling7/flower,getupcloud/flower,barseghyanartur/flower,raphaelmerx/flower,barseghyanartur/flower,asmodehn/flower,tellapart/flower,ChinaQuants/flower,getupcloud/flower