code: def __index__(self):
      try:
          return operator.index(self.tensor.item())
      except Exception as exc:
          raise TypeError(
              "only integer scalar arrays can be converted to a scalar index"
          ) from exc
  
imports: from __future__ import annotations
  import builtins
  import math
  import operator
  from typing import Sequence
  import torch
  from .None import _dtypes, _dtypes_impl, _funcs, _ufuncs, _util
  from ._normalizations import ArrayLike, normalize_array_like, normalizer, NotImplementedType
label_desc: Use image node_id 27 for calling the ndarray obj's underlying member method code with example usage: obj.__index__() and returns: operator