code: def __init__(
      self,
      batch: MultiAgentBatch,
      minibatch_size: int,
      num_iters: int = 1,
  ):
      super().__init__(batch, minibatch_size, num_iters)
      self._batch = batch
  
imports: import math
  from typing import List
  from ray.rllib.policy.sample_batch import MultiAgentBatch, concat_samples
  from ray.rllib.policy.sample_batch import SampleBatch
  from ray.rllib.utils.annotations import DeveloperAPI
  from ray.rllib.utils.typing import EpisodeType
label_desc: Use image node_id 1 to create a new MiniBatchDummyIterator object from inherited base classes: MiniBatchIteratorBase with example: obj = MiniBatchDummyIterator(batch, minibatch_size, num_iters)