iter bucket doesn't let me choose which AWS credentials/profile to use

iter bucket doesn't let me choose which AWS credentials/profile to use: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). I'm using smart open.s3.iter bucket to bulk-download keys from a bucket that I can only access via a specific AWS profile (not the default one in…