code: def __init__(self, smoothing=0.0):
      super(NLLMultiLabelSmooth, self).__init__()
      self.confidence = 1.0 - smoothing
      self.smoothing = smoothing
  
file_path: DALI/docs/examples/use_cases/pytorch/efficientnet/image_classification/mixup.py
imports: import torch
  import torch.nn
  import numpy
label_desc: Use image node_id 1 to create a new NLLMultiLabelSmooth object from inherited base classes: nn with example: obj = NLLMultiLabelSmooth(smoothing)