code: def __init__(self, dist_info=(0, 1), seed=7):
      self.dist_info = dist_info
      self.seed = seed
  
file_path: mmocr/tests/test_datasets/test_samplers/test_batch_aug.py
imports: from unittest import TestCase
  from unittest.mock import patch
  import torch
  from mmengine.logging import MMLogger
  from mmocr.datasets import BatchAugSampler
label_desc: Use image node_id 1 to create a new MockDist object  with example: obj = MockDist(dist_info, seed)