code: def find_params_file(dir_path):
      if not os.path.exists(dir_path):
          return None
      paths = glob.glob("%s/*.params" % dir_path)
      if len(paths) == 0:
          return None
      paths = sorted(paths)
      return paths[-1]
  
file_path: insightface/python-package/insightface/model_zoo/model_store.py
imports: from __future__ import print_function
  import os
  import zipfile
  import glob
  from ..utils import download, check_sha1
label_desc: Use image node_id 2 for calling a global function with example usage: find_params_file(dir_path) and returns: paths, None, None