code: def _transposed(self, op):
      return lambda x: self.transpose(op(self.transpose(x)))
  
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 RandomlyShapedDataIterator
  import librosa
label_desc: Use image node_id 2 for calling the MelFilterBankPythonPipeline obj's underlying member method code with example usage: obj._transposed(op) and returns: function