code: def __init__(
      self,
  ):
      super(MelganFeatureLoss, self).__init__()
      self.loss_func = nn.L1Loss()
  
imports: import torch
  from torch import nn
  from torch.nn import functional
label_desc: Use image node_id 1 to create a new MelganFeatureLoss object from inherited base classes: nn with example: obj = MelganFeatureLoss()