code: def download_libs(url: str):
      libs_dir = os.path.join(nano_home, "bigdl", "nano", "libs")
      if not os.path.exists(libs_dir):
          os.makedirs(libs_dir, exist_ok=True)
      libso_file_name = url.split("/")[-1]
      libso_file = os.path.join(libs_dir, libso_file_name)
      if not os.path.exists(libso_file):
          urllib.request.urlretrieve(url, libso_file)
      st = os.stat(libso_file)
      os.chmod(libso_file, st.st_mode | stat.S_IEXEC)
  
imports: import fnmatch
  from setuptools import setup
  import urllib.request
  import os
  import stat
label_desc: Use image node_id 2 for calling a global function with example usage: download_libs(url) without return types