class_docstr: DataLoader, matching with :class:`Dataset`.
class_docstr_tok: ["DataLoader",",","matching","with",":","class",":","`","Dataset","`","."]
code: def __iter__(self):
      for batch in super().__iter__():
          yield [f.compose(d) for f, d in batch.items()]
  
imports: import torch
  import torch.distributed
  from underthesea.utils.sp_alg import kmeans
label_desc: Use image node_id 2 for calling the DataLoader obj's underlying member method code with example usage: obj.__iter__() without return types