Creates a new averages container for each call to get_averages.
Creates a new averages container for each call to get_averages.

Ideally, we'd want to avoid multiple object creation,
but currently not playing well with generator chain.

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