code: def test_retain_grad_hidden_states_attentions(self):
      pass
  
imports: import gc
  import inspect
  import random
  import unittest
  from datasets import Audio, load_dataset
  from transformers import UnivNetConfig, UnivNetFeatureExtractor
  from transformers.testing_utils import is_torch_available, require_torch, require_torch_gpu, slow, torch_device
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, floats_tensor
label_desc: Use image node_id 10 for calling the UnivNetModelTest obj's underlying member method code with example usage: obj.test_retain_grad_hidden_states_attentions() without return types