code: def sub(self, n):
      from os.path import join
  
      return join(self.path, n)
  
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 ModuleCacheDirManager obj's underlying member method code with example usage: obj.sub(n) and returns: join