code: def transfer_embedding(self, source, emb):
      return source, emb
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import json
  import numpy
  import tensorflow
  import tf_euler
label_desc: Use image node_id 4 for calling the BaseEstimator obj's underlying member method code with example usage: obj.transfer_embedding(source, emb) and returns: source,  emb