class_docstr: CW Loss
code: def forward(self, input, target):
      return cw_loss(input, target, reduction=self.reduction)
  
imports: import torch
  from torch.nn.modules.loss import _Loss
  from advertorch.utils import clamp
label_desc: Use image node_id 2 for calling the CWLoss obj's underlying member method code with example usage: obj.forward(input, target) and returns: cw_loss