code: def _sparse_index_name(index, tensor_name="sparse"):
      return schema_inference.SPARSE_INDICES_NAME_TEMPLATE.format(
          tensor_name=tensor_name, index=index
      )
  
imports: import copy
  import os
  import numpy
  from packaging import version
  import pyarrow
  import tensorflow
  from tensorflow_transform import analyzers
  from tensorflow_transform import impl_helper
  from tensorflow_transform import schema_inference
  from tensorflow_transform import test_case
  from tensorflow_transform.output_wrapper import TFTransformOutput
  from tensorflow_transform.tf_metadata import schema_utils
label_desc: Use image node_id 1 for calling a global function with example usage: _sparse_index_name(index, tensor_name) and returns: schema_inference