code: def func_set_import_nnp(nnp):
      network_name = nnp.protobuf.executor[0].network_name
      for _net in nnp.protobuf.network:
          if _net.name == network_name:
              return set([f.type for f in _net.function])
  
imports: import pickle
  import zlib
  from collections import OrderedDict
  from os.path import abspath, join, dirname, expanduser
  import glob
  import os
  import yaml
  import certifi
  import ssl
  from nnabla.utils import nnabla_pb2
  from nnabla.logger import logger
label_desc: Use image node_id 20 for calling a global function with example usage: func_set_import_nnp(nnp) and returns: set