code: def tearDown(self):
      torch.cuda.empty_cache()
  
file_path: pytorch-metric-learning/tests/miners/test_batch_easy_hard_miner.py
imports: import unittest
  import torch
  from pytorch_metric_learning.distances import LpDistance
  from pytorch_metric_learning.miners import BatchEasyHardMiner
  from pytorch_metric_learning.utils import loss_and_miner_utils
  from ..None import TEST_DEVICE, TEST_DTYPES, WITH_COLLECT_STATS
label_desc: Use image node_id 5 for calling the TestBatchEasyHardMiner obj's underlying member method code with example usage: obj.tearDown() without return types