class_docstr: (Experimental) Iterator for DALI pipeline.
  
  Args:
      pipeline: DALI pipeline.
      repeat (bool): If ``True``, it infinitely loops over the dataset.
          Otherwise, it stops iteration at the end of the first epoch.
class_docstr_tok: ["(","Experimental",")","Iterator","for","DALI","pipeline",".","Args",":","pipeline",":","DALI","pipeline",".","repeat","(","bool",")",":","If","``","True","``",",","it","infinitely","loops","over","the","dataset",".","Otherwise",",","it","stops","iteration","at","the","end","of","the","first","epoch","."]
code: def previous_epoch_detail(self):
      if self._previous_epoch_detail < 0:
          return None
      return self._previous_epoch_detail
  
file_path: chainer/chainer/iterators/dali_iterator.py
imports: from __future__ import division
  from chainer.dataset import iterator
  from chainer import utils
label_desc: Use image node_id 5 for calling the DaliIterator obj's underlying member method code with example usage: obj.previous_epoch_detail() and returns: self, None