code: def autotvm_build_func():
      """A dummy build function which causes autotvm to use a different export format."""
  
imports: import json
  import logging
  import os
  import contextlib
  import enum
  from pathlib import Path
  import shutil
  from typing import Union
  from .._ffi import libinfo
  from ..None import rpc
label_desc: Use image node_id 4 for calling a global function with example usage: autotvm_build_func() without return types