class_docstr: Base criterion class that mimics Pytorch's Loss.
class_docstr_tok: ["Base","criterion","class","that","mimics","Pytorch","'s","Loss","."]
code: def __call__(self, *args, **kwargs):
      return self.forward(*args, **kwargs)
  
imports: import crypten
  import torch
  from .module import Module
label_desc: Use image node_id 3 for calling the _Loss obj's underlying member method code with example usage: obj.__call__() and returns: self