code: def test_init(self):
      with self.assertRaises(AssertionError):
          MaskedSquareDiceLoss(eps="any")
  
file_path: mmocr/tests/test_models/test_common/test_losses/test_dice_loss.py
imports: from unittest import TestCase
  import torch
  from mmocr.models.common.losses import MaskedDiceLoss, MaskedSquareDiceLoss
label_desc: Use image node_id 2 for calling the TestMaskedSquareDiceLoss obj's underlying member method code with example usage: obj.test_init() without return types