class_docstr: Module for calculating AT Loss
  
  :param norm_type (int): Norm to be used in calculating loss
code: def __init__(self, norm_type=2):
      super(ATLoss, self).__init__()
      self.p = norm_type
  
imports: import torch.nn.functional
  from torch import nn
label_desc: Use image node_id 1 to create a new ATLoss object from inherited base classes: nn with example: obj = ATLoss(norm_type)