class_docstr: Test functions defined in `functional` module
class_docstr_tok: ["Test","functions","defined","in","`","functional","`","module"]
code: def test_sliding_window_cmn(self, center, norm_vars):
      spectrogram = torch.rand(self.batch_size, 2, 1024, 1024) * 200
      kwargs = {
          "center": center,
          "norm_vars": norm_vars,
      }
      func = partial(F.sliding_window_cmn, **kwargs)
      self.assert_batch_consistency(func, inputs=(spectrogram,))
  
imports: import itertools
  import math
  from functools import partial
  import torch
  import torchaudio.functional
  from parameterized import parameterized, parameterized_class
  from torchaudio_unittest import common_utils
label_desc: Use image node_id 12 for calling the TestFunctional obj's underlying member method code with example usage: obj.test_sliding_window_cmn(center, norm_vars) without return types