:warning: instance variable @force_hash_rockets not initialized
:warning: instance variable @force_hash_rockets not initialized

Initializing an ivar has to be done in the initializer.
The previous code was initializing a class ivar

mikegee/rubocop,vergenzt/rubocop,mclark/rubocop,meganemura/rubocop,sinsoku/rubocop,b-t-g/rubocop,iGEL/rubocop,jmks/rubocop,scottmatthewman/rubocop,maxjacobson/rubocop,rtlechow/rubocop,bquorning/rubocop,NobodysNightmare/rubocop,rtlechow/rubocop,tejasbubane/rubocop,akihiro17/rubocop,palkan/rubocop,melch/rubocop,sue445/rubocop,petehamilton/rubocop,Drenmi/rubocop,bquorning/rubocop,lumeet/rubocop,alexdowad/rubocop,jmks/rubocop,NobodysNightmare/rubocop,backus/rubocop,mikegee/rubocop,jfelchner/rubocop,meganemura/rubocop,meganemura/rubocop,bankair/rubocop,pocke/rubocop,tdeo/rubocop,urbanautomaton/rubocop,deivid-rodriguez/rubocop,lumeet/rubocop,petehamilton/rubocop,Drenmi/rubocop,sue445/rubocop,urbanautomaton/rubocop,palkan/rubocop,haziqhafizuddin/rubocop,petehamilton/rubocop,pocke/rubocop,lucasuyezu/rubocop,hanumakanthvvn/rubocop,vergenzt/rubocop,b-t-g/rubocop,vergenzt/rubocop,bankair/rubocop,alexcstark/rubocop,bbatsov/rubocop,alexdowad/rubocop,jmks/rubocop,alexcstark/rubocop,maxjacobson/rubocop,lucasuyezu/rubocop,iGEL/rubocop,panthomakos/rubocop,deivid-rodriguez/rubocop,panthomakos/rubocop,backus/rubocop,sue445/rubocop,akihiro17/rubocop,smakagon/rubocop,jfelchner/rubocop,bbatsov/rubocop,tejasbubane/rubocop,sinsoku/rubocop,mikegee/rubocop,rrosenblum/rubocop,mclark/rubocop,haziqhafizuddin/rubocop,palkan/rubocop,hanumakanthvvn/rubocop,smakagon/rubocop,tejasbubane/rubocop,rrosenblum/rubocop,ilansh/rubocop,tdeo/rubocop,jfelchner/rubocop,tdeo/rubocop,melch/rubocop,deivid-rodriguez/rubocop,ilansh/rubocop,bquorning/rubocop,rrosenblum/rubocop,panthomakos/rubocop,maxjacobson/rubocop,akihiro17/rubocop,scottmatthewman/rubocop