code: def chunkify(self, b):
      return (
          b if self.prebatched else chunked(b, self.bs, self.drop_last)
      )
  
imports: from __future__ import annotations
  from ..torch_basics import *
  from torch.utils.data.dataloader import _MultiProcessingDataLoaderIter, _SingleProcessDataLoaderIter, _DatasetKind
label_desc: Use image node_id 12 for calling the DataLoader obj's underlying member method code with example usage: obj.chunkify(b) and returns: unknown