code: def _save_cache(
      cache_dir: Optional[str], filename: str, objects: List[Any]
  ) -> None:
      if cache_dir is None:
          return
      path = os.path.join(os.path.expanduser(cache_dir), filename)
      with open(path, "wb") as o_f:
          pickle.dump(objects, o_f)
  
file_path: tvm/python/tvm/meta_schedule/testing/relay_workload.py
imports: import logging
  import multiprocessing
  import os
  import pickle
  from typing import Any, Dict, List, Optional, Tuple
  import tvm
  import tvm.relay.testing
  from tvm import meta_schedule
  from tvm import relay
  from tvm.ir import IRModule
  from tvm.runtime import NDArray, load_param_dict, save_param_dict
  from tvm.target import Target
label_desc: Use image node_id 3 for calling a global function with example usage: _save_cache(cache_dir, filename, objects) without return types