code: def fallthrough_kernel():
      """
      A dummy function to pass to ``Library.impl`` in order to register a fallthrough.
      """
      raise NotImplementedError(
          "fallthrough_kernel() should never be called."
      )
  
imports: from ._ops import OpOverload
  from typing import Any, Optional, Set, List
  import traceback
  import torch
  import weakref
  import functools
  import inspect
  import re
  import sys
label_desc: Use image node_id 1 for calling a global function with example usage: fallthrough_kernel() without return types