code: def __get__(self, obj, objtype):
      return self.getter(obj.device_index)
  
imports: import contextlib
  from typing import Union
  import torch
  from torch._C import _SDPAParams, _SDPBackend
label_desc: Use image node_id 2 for calling the cuFFTPlanCacheAttrContextProp obj's underlying member method code with example usage: obj.__get__(obj, objtype) and returns: self