code: def __init__(self):
      super(Identity, self).__init__()
  
file_path: PaddleDetection/ppdet/modeling/backbones/transformer_utils.py
imports: import paddle
  import paddle.nn
  import paddle.nn.functional
  from paddle.nn.initializer import TruncatedNormal, Constant, Assign
label_desc: Use image node_id 1 to create a new Identity object from inherited base classes: nn with example: obj = Identity()