class_docstr: Test functions defined in `functional` module
class_docstr_tok: ["Test","functions","defined","in","`","functional","`","module"]
code: def test_dcshift(self):
      waveforms = torch.rand(self.batch_size, 2, 100) - 0.5
      kwargs = {
          "shift": 0.5,
          "limiter_gain": 0.05,
      }
      func = partial(F.dcshift, **kwargs)
      self.assert_batch_consistency(func, inputs=(waveforms,))
  
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 8 for calling the TestFunctional obj's underlying member method code with example usage: obj.test_dcshift() without return types