code: def post_processing(output_file: str, output_queue: Any) -> None:
      """Post processing of called variants.
  
      Args:
        output_file: Path to output file where outputs will be written.
        output_queue: Multiprocessing queue to fetch predictions from.
      """
      writer = tfrecord.Writer(output_file)
      n_examples = 0
      n_batches = 0
      while True:
          item = output_queue.get()
          if item is None:
              break
          (
              predictions,
              image_encodes,
              variants,
              alt_allele_indices_list,
              optional_label_list,
          ) = item
          if optional_label_list is not None:
              optional_label_list = optional_label_list.numpy()
          for i, probabilities in enumerate(predictions):
              pred = {
                  "probabilities": probabilities,
                  "variant": variants[i].numpy(),
                  "image_encoded": image_encodes[i].numpy(),
                  "alt_allele_indices": alt_allele_indices_list[
                      i
                  ].numpy(),
              }
              if (
                  FLAGS.debugging_true_label_mode
                  and optional_label_list is not None
              ):
                  pred["label"] = optional_label_list[i][0]
              write_variant_call(writer, pred)
              n_examples += 1
          n_batches += 1
      writer.close()
  
imports: import multiprocessing
  import os
  import time
  from typing import Any
  from absl import flags
  from absl import logging
  import numpy
  import tensorflow
  from deepvariant import dv_utils
  from deepvariant import keras_modeling
  from deepvariant import logging_level
  from deepvariant.protos import deepvariant_pb2
  from absl import app
  import multiprocessing
  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 third_party.nucleus.util import errors
  from third_party.nucleus.util import proto_utils
  from third_party.nucleus.util import variant_utils
label_desc: Use image node_id 5 for calling a global function with example usage: post_processing(output_file, output_queue) without return types