code: def __init__(self, encoder_layer, num_layers, norm=None):
      super().__init__()
      self.layers = _get_clones(encoder_layer, num_layers)
      self.num_layers = num_layers
      self.norm = norm
  
imports: import copy
  from typing import Optional, List
  import torch
  import torch.nn.functional
  from torch import nn, Tensor
label_desc: Use image node_id 1 to create a new TransformerEncoder object from inherited base classes: nn with example: obj = TransformerEncoder(encoder_layer, num_layers, norm)