code: def _bytes_feature(value: Union[bytes, str]) -> "Feature":
      """Inserts bytes features into Example proto."""
      import tensorflow as tf
  
      if isinstance(value, str):
          value = bytes(value, "utf-8")
      return tf.train.Feature(
          bytes_list=tf.train.BytesList(value=[value])
      )
  
imports: import math
  import os
  import random
  from typing import TYPE_CHECKING, Iterable, List, Mapping, Union, Tuple
  from bigdl.dllib.utils.log4Error import invalidInputError
label_desc: Use image node_id 7 for calling a global function with example usage: _bytes_feature(value) and returns: tf