code: def get_edge_type(edge):
      return "train_removed" if edge["train_removed"] else "train"
  
file_path: euler/tf_euler/python/dataset/sage_util.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import json
  import os
  import random
  import numpy
  import networkx
  from networkx.readwrite import json_graph
label_desc: Use image node_id 3 for calling a global function with example usage: get_edge_type(edge) and returns: unknown