class_docstr: Identity function is use to return identity
class_docstr_tok: ["Identity","function","is","use","to","return","identity"]
code: def __init__(self, hidden_size, act, use_degree_norm):
      super(Identity, self).__init__()
  
file_path: PGL/apps/PGLBox/src/models/auto_heter_gnn.py
imports: import paddle
  import paddle.nn
  import paddle.nn.functional
  from collections import OrderedDict
  import paddle.static
  import pgl
  from .None import model_util
  from .None import layers
label_desc: Use image node_id 1 to create a new Identity object from inherited base classes: nn with example: obj = Identity(hidden_size, act, use_degree_norm)