Fixed indentation in storage.py
Fixed indentation in storage.py

dietsche/letsencrypt,lmcro/letsencrypt,martindale/letsencrypt,BKreisel/letsencrypt,jtl999/certbot,lbeltrame/letsencrypt,brentdax/letsencrypt,martindale/letsencrypt,Sveder/letsencrypt,VladimirTyrin/letsencrypt,letsencrypt/letsencrypt,kuba/letsencrypt,wteiken/letsencrypt,hsduk/lets-encrypt-preview,piru/letsencrypt,goofwear/letsencrypt,ghyde/letsencrypt,sjerdo/letsencrypt,g1franc/lets-encrypt-preview,jsha/letsencrypt,bsmr-misc-forks/letsencrypt,stweil/letsencrypt,Sveder/letsencrypt,twstrike/le_for_patching,mrb/letsencrypt,BillKeenan/lets-encrypt-preview,letsencrypt/letsencrypt,brentdax/letsencrypt,dietsche/letsencrypt,jsha/letsencrypt,kuba/letsencrypt,TheBoegl/letsencrypt,twstrike/le_for_patching,thanatos/lets-encrypt-preview,goofwear/letsencrypt,hsduk/lets-encrypt-preview,xgin/letsencrypt,bsmr-misc-forks/letsencrypt,mrb/letsencrypt,jtl999/certbot,piru/letsencrypt,DavidGarciaCat/letsencrypt,mitnk/letsencrypt,lbeltrame/letsencrypt,wteiken/letsencrypt,BillKeenan/lets-encrypt-preview,g1franc/lets-encrypt-preview,lmcro/letsencrypt,stweil/letsencrypt,mitnk/letsencrypt,thanatos/lets-encrypt-preview,sjerdo/letsencrypt,BKreisel/letsencrypt,ghyde/letsencrypt,VladimirTyrin/letsencrypt,TheBoegl/letsencrypt,DavidGarciaCat/letsencrypt,xgin/letsencrypt