code: def _check_failed(v):
      # NB. none of the _check_* functions could raise a ValueError, so
      # it is safe to use here.
      raise ValueError(v)
  
imports: import typing
  from typing import Protocol
  import numpy
  from tensorflow.core.framework import tensor_pb2
  from tensorflow.core.framework import tensor_shape_pb2
  from tensorflow.python.client import pywrap_tf_session
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.types import core
  from tensorflow.python.types import internal
  from tensorflow.python.util import compat
  from tensorflow.python.util import nest
  from tensorflow.python.util.tf_export import tf_export
label_desc: Use image node_id 18 for calling a global function with example usage: _check_failed(v) without return types