code: def test_instantiate_incorrect_batch_size(self, batch_size):
      with pytest.raises(ValueError):
          _ = BatchedAlignments(
              batch_size=batch_size, logits_dim=7, init_length=3
          )
  
imports: from typing import List
  import pytest
  import torch
  from nemo.collections.asr.parts.utils.rnnt_utils import BatchedAlignments, BatchedHyps, batched_hyps_to_hypotheses
label_desc: Use image node_id 2 for calling the TestBatchedAlignments obj's underlying member method code with example usage: obj.test_instantiate_incorrect_batch_size(batch_size) without return types