code: def process_union(data, name):
      """process_union"""
      entries = [e for e in data["type"] if e != "null"]
      assert len(entries) == 1
      return process_primitive(entries[0], name)
  
file_path: io/tensorflow_io/python/experimental/serialization_ops.py
imports: import json
  import tensorflow
  from tensorflow_io.python.ops import core_ops
label_desc: Use image node_id 5 for calling a global function with example usage: process_union(data, name) and returns: process_primitive