class_docstr: dummy k400 loss for MViT.
class_docstr_tok: ["dummy","k400","loss","for","MViT","."]
code: def __init__(self):
      self.loss = nn.CrossEntropyLoss()
  
imports: import torch
  from torch import nn
label_desc: Use image node_id 1 to create a new DummyK400Loss object from inherited base classes: Loss with example: obj = DummyK400Loss()