code: def test_operator_mfcc_wrong_args():
      batch_size = 3
      for device in ["cpu", "gpu"]:
          for dct_type, norm, axis, n_mfcc, lifter, shape, msg in [
              # DCT-I ortho-normalization is not supported
              (
                  1,
                  True,
                  0,
                  20,
                  0.0,
                  (100, 100),
                  "Ortho-normalization is not supported for DCT type I",
              ),
              # axis out of bounds
              (
                  2,
                  False,
                  -1,
                  20,
                  0.0,
                  (100, 100),
                  "Provided axis cannot be negative",
              ),
              # axis out of bounds
              (
                  2,
                  False,
                  2,
                  20,
                  0.0,
                  (100, 100),
                  "Axis [\\d]+ is out of bounds \\[[\\d]+,[\\d]+\\)",
              ),
              # not supported DCT type
              (
                  10,
                  False,
                  0,
                  20,
                  0.0,
                  (100, 100),
                  "Unsupported DCT type: 10. Supported types are: 1, 2, 3, 4",
              ),
          ]:
              yield (
                  check_operator_mfcc_wrong_args,
                  device,
                  batch_size,
                  shape,
                  axis,
                  dct_type,
                  lifter,
                  n_mfcc,
                  norm,
                  msg,
              )
  
imports: from nvidia.dali.pipeline import Pipeline
  import nvidia.dali.ops
  import numpy
  from functools import partial
  from test_utils import compare_pipelines
  from test_utils import RandomDataIterator
  import librosa
  from nose_utils import assert_raises
label_desc: Use image node_id 5 for calling a global function with example usage: test_operator_mfcc_wrong_args() without return types