code: def layer_norm(x, weight, bias, epsilon):
      return DropoutAddLayerNormFn.apply(
          x, None, weight, bias, None, None, 0.0, epsilon, False
      )
  
imports: import dropout_layer_norm
  import torch
  from torch.nn import init
label_desc: Use image node_id 8 for calling a global function with example usage: layer_norm(x, weight, bias, epsilon) and returns: DropoutAddLayerNormFn