def __iter__(self):
    items = self.s3fs.ls(self.bucketpath, detail=False, refresh=True)
    (yield from [item[(len(self.bucketpath) + 1):] for item in items])
def __iter__(self):
    items = self.s3fs.ls(self.bucketpath, detail=False, refresh=True)
    (yield from [item[(len(self.bucketpath) + 1):] for item in items])