code: def tearDown(self):
      super().tearDown()
      gc.collect()
      torch.cuda.empty_cache()
  
imports: import gc
  import unittest
  import numpy
  import torch
  from diffusers import RePaintPipeline, RePaintScheduler, UNet2DModel
  from diffusers.utils.testing_utils import enable_full_determinism, load_image, load_numpy, nightly, require_torch_gpu, skip_mps, torch_device
  from ..pipeline_params import IMAGE_INPAINTING_BATCH_PARAMS, IMAGE_INPAINTING_PARAMS
  from ..test_pipelines_common import PipelineTesterMixin
label_desc: Use image node_id 1 for calling the RepaintPipelineNightlyTests obj's underlying member method code with example usage: obj.tearDown() without return types