code: def __init__(self, dim, fn):
      super().__init__()
      self.norm = nn.LayerNorm(dim)
      self.fn = fn
  
imports: import paddle
  import paddle.nn
  import paddle.nn.functional
label_desc: Use image node_id 1 to create a new PostNorm object from inherited base classes: nn with example: obj = PostNorm(dim, fn)