code: def setUp(self):
      super().setUp()
      torch.random.manual_seed(31)
  
file_path: audio/test/torchaudio_unittest/prototype/rnnt_test_impl.py
imports: import torch
  from torchaudio.prototype.models import conformer_rnnt_model
  from torchaudio_unittest.common_utils import TestBaseMixin, torch_script
label_desc: Use image node_id 7 for calling the ConformerRNNTTestImpl obj's underlying member method code with example usage: obj.setUp() without return types