code: def dispatch_tasks(self, batch_of_indices):
      async_x = self.worker_pool.map_async(
          WorkerContext.get_sample, batch_of_indices
      )
      async_x = self.data_transfer_worker.apply_async(
          self.data_transfer_fn, (async_x,)
      )
      self.async_results_queue.append(async_x)
  
imports: import multiprocessing.pool
  import os
  import typing
  import jax
  import jax.numpy
  import numpy
  from .data_adapter import DataAdapter
  from .utils import is_none_or_empty
label_desc: Use image node_id 4 for calling the MultiProcessIterator obj's underlying member method code with example usage: obj.dispatch_tasks(batch_of_indices) without return types