Fix rubocop issue in Rakefile
Fix rubocop issue in Rakefile

mkcode/statesmin,eljojo/statesman,timothyp/statesman,mmontalvo/statesman,timothyp/statesman,eljojo/statesman,pacso/statesman,image-tester/statesman,div/statesman,image-tester/statesman,gocardless/statesman,pacso/statesman,div/statesman,gocardless/statesman,mmontalvo/statesman