code: def clean_up(self):
      os.close(self.fd)
      os.unlink(self.lock_file)
  
imports: import re
  import os
  import sys
  from dataclasses import dataclass
  from typing import List, Optional, Tuple
  import pyopencl._cl
  import logging
  import hashlib
label_desc: Use image node_id 2 for calling the CacheLockManager obj's underlying member method code with example usage: obj.clean_up() without return types