code: def get_shape_from_examples_path(source):
      """Reads one record from source to determine the tensor shape for all."""
      one_example = get_one_example_from_examples_path(source)
      if one_example:
          return example_image_shape(one_example)
      return None
  
imports: import json
  from typing import Optional
  from absl import logging
  import numpy
  import tensorflow
  from deepvariant.protos import deepvariant_pb2
  from third_party.nucleus.io import sharded_file_utils
  from third_party.nucleus.io import tfrecord
  from third_party.nucleus.protos import variants_pb2
  from tensorflow.core.example import example_pb2
label_desc: Use image node_id 16 for calling a global function with example usage: get_shape_from_examples_path(source) and returns: None, example_image_shape