code: def test_sort_with_one_block(shutdown_only, use_push_based_shuffle):
      ray.init(num_cpus=8)
      ctx = ray.data.DataContext.get_current()
      ctx.execution_options.verbose_progress = True
      ctx.use_push_based_shuffle = True
  
      # Use a dataset that will produce only one block to sort.
      ray.data.range(1024).map_batches(
          lambda _: pa.table([pa.array([1])], ["token_counts"])
      ).sum("token_counts")
  
imports: import random
  from collections import defaultdict
  import numpy
  import pandas
  import pyarrow
  import pytest
  import ray
  from ray.data import Dataset
  from ray.data._internal.planner.exchange.push_based_shuffle_task_scheduler import PushBasedShuffleTaskScheduler
  from ray.data._internal.sort import SortKey
  from ray.data.block import BlockAccessor
  from ray.data.context import DataContext
  from ray.data.tests.conftest import *
  from ray.data.tests.util import extract_values
  from ray.tests.conftest import *
label_desc: Use image node_id 9 for calling a global function with example usage: test_sort_with_one_block(shutdown_only, use_push_based_shuffle) without return types