code: def annotate_true_sparse_output(tensor: tf.SparseTensor):
      """Annotates a sparse output to be truely sparse and not varlen."""
      schema_inference.annotate_true_sparse_output(tensor)
  
imports: from typing import Sequence, Union
  import tensorflow
  from tensorflow_transform import annotators
  from tensorflow_transform import schema_inference
  from tensorflow.python.framework import ops
label_desc: Use image node_id 3 for calling a global function with example usage: annotate_true_sparse_output(tensor) without return types