merge repeat_aug (bug in multi-node?)

mmocr/datasets/samplers/repeat_aug.py

@@ -2,10 +2,11 @@ import math
 from typing import Iterator, Optional, Sized
 
 import torch
-from mmcls.registry import DATA_SAMPLERS
 from mmengine.dist import get_dist_info, is_main_process, sync_random_seed
 from torch.utils.data import Sampler
 
+from mmocr.registry import DATA_SAMPLERS
+
 
 @DATA_SAMPLERS.register_module()
 class RepeatAugSampler(Sampler):