code: def transfer_embedding(self, source, emb):
      return source["graph_idx"], emb
  
file_path: euler/euler_estimator/python/graph_estimator.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import tensorflow
  import tf_euler
  import numpy
  from euler_estimator.python.base_estimator import BaseEstimator
label_desc: Use image node_id 8 for calling the GraphEstimator obj's underlying member method code with example usage: obj.transfer_embedding(source, emb) and returns: source,  emb