security list type is a class level property now
security list type is a class level property now

zhoulingjun/zipline,ChinaQuants/zipline,morrisonwudi/zipline,jimgoo/zipline-fork,dkushner/zipline,CDSFinance/zipline,nborggren/zipline,Scapogo/zipline,wilsonkichoi/zipline,cmorgan/zipline,enigmampc/catalyst,morrisonwudi/zipline,gwulfs/zipline,joequant/zipline,aajtodd/zipline,umuzungu/zipline,MonoCloud/zipline,aajtodd/zipline,AlirezaShahabi/zipline,kmather73/zipline,magne-max/zipline-ja,joequant/zipline,stkubr/zipline,StratsOn/zipline,StratsOn/zipline,michaeljohnbennett/zipline,kmather73/zipline,ronalcc/zipline,iamkingmaker/zipline,chrjxj/zipline,DVegaCapital/zipline,YuepengGuo/zipline,AlirezaShahabi/zipline,wilsonkichoi/zipline,grundgruen/zipline,MonoCloud/zipline,CDSFinance/zipline,nborggren/zipline,ronalcc/zipline,ChinaQuants/zipline,quantopian/zipline,florentchandelier/zipline,grundgruen/zipline,euri10/zipline,dkushner/zipline,dmitriz/zipline,keir-rex/zipline,otmaneJai/Zipline,umuzungu/zipline,dmitriz/zipline,wubr2000/zipline,semio/zipline,iamkingmaker/zipline,jimgoo/zipline-fork,humdings/zipline,jordancheah/zipline,cmorgan/zipline,sketchytechky/zipline,wubr2000/zipline,michaeljohnbennett/zipline,stkubr/zipline,semio/zipline,Scapogo/zipline,alphaBenj/zipline,gwulfs/zipline,quantopian/zipline,humdings/zipline,bartosh/zipline,jordancheah/zipline,sketchytechky/zipline,euri10/zipline,enigmampc/catalyst,otmaneJai/Zipline,florentchandelier/zipline,alphaBenj/zipline,zhoulingjun/zipline,DVegaCapital/zipline,YuepengGuo/zipline,keir-rex/zipline,magne-max/zipline-ja,chrjxj/zipline,bartosh/zipline