code: def _search_preprocess_key(original_network_name):
      import re
  
      for key in network_name_key:
          if re.search(key, original_network_name):
              return key
      raise ValueError(
          "preprocess module cannot support [{}]".format(
              original_network_name
          )
      )
  
file_path: MMdnn/mmdnn/conversion/examples/mxnet/extract_model.py
imports: import argparse
  from six import text_type
  import mxnet
  from mmdnn.conversion.examples.imagenet_test import TestKit
  from mmdnn.conversion.common.utils import download_file
  from collections import namedtuple
label_desc: Use image node_id 1 for calling a global function with example usage: _search_preprocess_key(original_network_name) and returns: key