code: def __init__(self, cfg: D2vDecoderConfig):
      super().__init__()
  
      self.decoder_cfg = cfg
  
imports: import torch
  import torch.nn
  import torch.nn.functional
  import numpy
  from dataclasses import dataclass
  from fairseq.modules import LayerNorm, SamePad, SamePad2d, TransposeLast
label_desc: Use image node_id 1 to create a new DecoderBase object from inherited base classes: nn with example: obj = DecoderBase(cfg)