code: def __init__(
      self,
      num_batches_per_task: int,
      row_size: int,
      num_rows_per_batch=None,
      use_bytes=True,
      use_arrow=False,
  ):
      self.num_batches_per_task = num_batches_per_task
      self.row_size = row_size
      if num_rows_per_batch is None:
          num_rows_per_batch = 1
      self.num_rows_per_batch = num_rows_per_batch
      self.use_bytes = use_bytes
      self.use_arrow = use_arrow
  
imports: import os
  import time
  from dataclasses import astuple, dataclass
  import numpy
  import pandas
  import pyarrow
  import pytest
  import ray
  from ray.data import Dataset
  from ray.data._internal.arrow_block import ArrowBlockAccessor
  from ray.data._internal.lazy_block_list import LazyBlockList
  from ray.data.block import BlockMetadata
  from ray.data.datasource import Datasource
  from ray.data.datasource.csv_datasource import CSVDatasource
  from ray.data.datasource.datasource import Reader, ReadTask
  from ray.data.tests.conftest import CoreExecutionMetrics, assert_blocks_expected_in_plasma, assert_core_execution_metrics_equals, get_initial_core_execution_metrics_snapshot
  from ray.tests.conftest import *
label_desc: Use image node_id 1 to create a new RandomBytesReader object from inherited base classes: Reader with example: obj = RandomBytesReader(num_batches_per_task, row_size, num_rows_per_batch, use_bytes, use_arrow)