code: def download_package(tophub_location, package_name):
      """Download pre-tuned parameters of operators for a backend
  
      Parameters
      ----------
      tophub_location: str
          The location to download TopHub parameters from
  
      package_name: str
          The name of package
      """
      rootpath = Path(AUTOTVM_TOPHUB_ROOT_PATH)
      rootpath.mkdir(parents=True, exist_ok=True)
  
      download_url = f"{tophub_location}/{package_name}"
      logger.info(
          "Download pre-tuned parameters package from %s", download_url
      )
      download(
          download_url, Path(rootpath, package_name), overwrite=True
      )
  
file_path: tvm/python/tvm/autotvm/tophub.py
imports: import logging
  from os import getenv
  import sys
  from pathlib import Path
  from tvm.ir.container import Array
  from .task import ApplyHistoryBest
  from ..target import Target
  from ..contrib.download import download
  from .record import load_from_file
  from .utils import EmptyContext
label_desc: Use image node_id 5 for calling a global function with example usage: download_package(tophub_location, package_name) without return types