code: def __call__(self, *args, **kwargs):
      return self.forward(*args, **kwargs)
  
file_path: PGL/apps/Graph4Rec/env_run/src/models/embedding.py
imports: import math
  import time
  import paddle
  import paddle.nn
label_desc: Use image node_id 3 for calling the SparseEmbedding obj's underlying member method code with example usage: obj.__call__() and returns: self