code: def test_compute_deltas_transform_same_as_functional(
      self, atol=1e-6, rtol=1e-8
  ):
      channel = 13
      n_mfcc = channel * 3
      time = 1021
      win_length = 2 * 7 + 1
      specgram = torch.randn(channel, n_mfcc, time)
  
      transform = transforms.ComputeDeltas(win_length=win_length)
      computed_transform = transform(specgram)
  
      computed_functional = F.compute_deltas(
          specgram, win_length=win_length
      )
      self.assertEqual(
          computed_functional, computed_transform, atol=atol, rtol=rtol
      )
  
imports: import math
  import torch
  import torchaudio
  import torchaudio.functional
  import torchaudio.transforms
  from torchaudio_unittest import common_utils
label_desc: Use image node_id 15 for calling the Tester obj's underlying member method code with example usage: obj.test_compute_deltas_transform_same_as_functional(atol, rtol) without return types