code: def backward(ctx, gO: NestedTensor):  # type: ignore[override]
      return gO.values(), None
  
imports: from typing import Tuple
  import torch
  from torch._C import DispatchKey, DispatchKeySet
  from torch._prims_common import is_expandable_to
  from torch.fx.experimental.symbolic_shapes import has_free_symbols
  from torch.utils.weak import WeakTensorKeyDictionary
  from typing import *
label_desc: Use image node_id 2 for calling the ViewNestedFromBuffer obj's underlying member method code with example usage: obj.backward(ctx, gO) and returns: gO,  None