code: def torch_none(x: Tensor) -> Tensor:
      """
      Return input argument without any modifications
      :param x: input tensor
      :return: x
      """
      return x
  
imports: import itertools
  from collections.abc import Sized, Iterable
  from typing import Union, Tuple
  import torch
  from torch import Tensor
  from ..utils.support import pytorch_toolbelt_deprecated
label_desc: Use image node_id 1 for calling a global function with example usage: torch_none(x) and returns: x