class_docstr: Cache manager for autotune
code: def has_file(self):
      return self.file_path and os.path.exists(self.file_path)
  
imports: import torch
  import triton
  import os
  from filelock import FileLock
  import deepspeed.ops.transformer.inference.triton.triton_matmul_kernel
  import pickle
  from io import open
  import deepspeed
  from pathlib import Path
  import atexit
label_desc: Use image node_id 2 for calling the AutotuneCacheManager obj's underlying member method code with example usage: obj.has_file() and returns: unknown