code: def fini():
      """fini operator"""
      os.system("rm -rf .download_locker")
      print("download and shard model finished")
      sys.stdout.flush()
  
file_path: PGL/apps/PGLBox/scripts/download_graph_data.py
imports: import os
  import sys
  import math
  import time
  import json
  import subprocess
  import multiprocessing
  from multiprocessing import Process
  from multiprocessing import Lock
label_desc: Use image node_id 3 for calling a global function with example usage: fini() without return types