code: def __init__(self, layer):
      super(UDecoder, self).__init__()
      self.layer = layer
      self.norm = LayerNorm(layer.size)
  
imports: from .attention import *
  from .layers import *
  from .functions import *
  from .embedding import *
  import dgl.function
  import torch
  import torch.nn.init
label_desc: Use image node_id 1 to create a new UDecoder object from inherited base classes: nn with example: obj = UDecoder(layer)