code: def attach_bytes(key, the_bytes):
      """Adds a ModuleAttachment to the current graph.
  
      Args:
        key: A string with the unique key of the attachment.
        the_bytes: A bytes object with the serialized attachment.
      """
      tf.compat.v1.add_to_collection(
          _ATTACHMENT_COLLECTION_INTERNAL,
          module_attachment_pb2.ModuleAttachment(
              key=key, value=the_bytes
          ),
      )
  
imports: import collections
  import os
  import re
  from absl import logging
  import tensorflow
  from tensorflow_hub import module_attachment_pb2
  from tensorflow_hub import tf_utils
  from google.protobuf import message
  from tensorflow.core.protobuf import meta_graph_pb2
  from tensorflow.core.protobuf import saved_model_pb2
label_desc: Use image node_id 9 for calling a global function with example usage: attach_bytes(key, the_bytes) without return types