code: 
  from awsio.python.lib.io.s3.s3dataset import S3Dataset
  from torch.utils.data import DataLoader
  
  url_list = ['s3://image-data-bucket/train/n01440764/n01440764_10026.JPEG',
   's3://image-data-bucket/train/n01440764/n01440764_10027.JPEG',
   's3://image-data-bucket/train/n01440764/n01440764_10029.JPEG']
  
  dataset = S3Dataset(url_list)
  dataloader = DataLoader(dataset,
          batch_size=2,
          num_workers=64)
  
  for i, (image, label) in enumerate(dataloader):
      print(type(image), len(image))
  
  
apis: torch.utils.data.DataLoader