code: def _migrate_graph_sub_plugin_value(value):
      if value.HasField("metadata"):
          value.metadata.data_class = (
              summary_pb2.DATA_CLASS_BLOB_SEQUENCE
          )
      shape = value.tensor.tensor_shape.dim
      if not shape:
          shape.add(size=1)
      return (value,)
  
imports: from tensorboard.compat.proto import event_pb2
  from tensorboard.compat.proto import summary_pb2
  from tensorboard.plugins.audio import metadata
  from tensorboard.plugins.custom_scalar import metadata
  from tensorboard.plugins.graph import metadata
  from tensorboard.plugins.histogram import metadata
  from tensorboard.plugins.hparams import metadata
  from tensorboard.plugins.image import metadata
  from tensorboard.plugins.mesh import metadata
  from tensorboard.plugins.pr_curve import metadata
  from tensorboard.plugins.scalar import metadata
  from tensorboard.plugins.text import metadata
  from tensorboard.util import tensor_util
label_desc: Use image node_id 15 for calling a global function with example usage: _migrate_graph_sub_plugin_value(value) and returns: value