update namespace for rubocop
update namespace for rubocop

BelieveC/classroom,BelieveC/classroom,hackerkid/classroom,ConnorCartwright/classroom,mkcode/classroom,ConnorCartwright/classroom,hackerkid/classroom,mkcode/classroom,jasnow/classroom,hackerkid/classroom,BelieveC/classroom,jasnow/classroom,BelieveC/classroom,mkcode/classroom,jasnow/classroom,ConnorCartwright/classroom