Actually return an error when no arguments given
Actually return an error when no arguments given

PradheepShrinivasan/try.redis,badboy/try.redis,badboy/try.redis,badboy/try.redis,PradheepShrinivasan/try.redis,supasate/try.redis,NoellyB76/try.redis,NoellyB76/try.redis,supasate/try.redis,supasate/try.redis,PradheepShrinivasan/try.redis,NoellyB76/try.redis