code: def chmod(files: List[str]) -> None:
      """
      S3 has no concept of file permissions so add them back in here to every file
      """
      # Add execute bit for downloads
      to_chmod = [str(f) for f in files]
      logging.info(f"Adding execute bit for files: {to_chmod}")
      if len(to_chmod) > 0:
          SH.run(f"chmod +x {' '.join(to_chmod)}")
  
file_path: tvm/ci/scripts/jenkins/s3.py
imports: import argparse
  import logging
  import re
  from pathlib import Path
  from typing import List
  from enum import Enum
  from cmd_utils import Sh, REPO_ROOT, init_log
label_desc: Use image node_id 3 for calling a global function with example usage: chmod(files) without return types