code: def ensure_available(sub_dir, name, root="~/.insightface"):
      return download(sub_dir, name, force=False, root=root)
  
imports: import os
  import os.path
  import zipfile
  from .download import download_file
label_desc: Use image node_id 2 for calling a global function with example usage: ensure_available(sub_dir, name, root) and returns: download