code: def _fix_name(node_name):
      """Replace ':' with '_' in names like 'InputImg:0'"""
      return node_name.replace(":", "_")
  
imports: import contextlib
  import json
  import os
  import re
  import shutil
  import tarfile
  import textwrap
  from datetime import datetime
  import numpy
  import tvm
  from tvm.contrib import utils
label_desc: Use image node_id 1 for calling a global function with example usage: _fix_name(node_name) and returns: node_name