code: def current_device() -> str:
      r"""Returns current device for cpu. Always 'cpu'.
  
      N.B. This function only exists to facilitate device-agnostic code
      """
      return "cpu"
  
imports: from contextlib import AbstractContextManager
  from typing import Any, Optional, Union
  import torch
  from ..None import device
  from .None import amp
label_desc: Use image node_id 8 for calling a global function with example usage: current_device() and returns: str