old_contents: """Contain the speech perturbation augmentation model."""
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  
  from data_utils.augmentor.base import AugmentorBase
  
  
  class SpeedPerturbAugmentor(AugmentorBase):
      """Augmentation model for adding speed perturbation.
  
      See reference paper here:
      http://www.danielpovey.com/files/2015_interspeech_augmentation.pdf
  
      :param rng: Random generator object.
      :type rng: random.Random
      :param min_speed_rate: Lower bound of new speed rate to sample.
      :type min_speed_rate: float
      :param max_speed_rate: Upper bound of new speed rate to sample.
      :type max_speed_rate: float
      """
  
      def __init__(self, rng, min_speed_rate, max_speed_rate):
  
          if (min_speed_rate < 0.5):
              raise ValueError("Sampling speed below 0.9 can cause unnatural effects")
          if (max_speed_rate > 1.5):
              raise ValueError("Sampling speed above 1.1 can cause unnatural effects")
          self._min_speed_rate = min_speed_rate
          self._max_speed_rate = max_speed_rate
          self._rng = rng
  
      def transform_audio(self, audio_segment):
          """Sample a new speed rate from the given range and
          changes the speed of the given audio clip.
  
          Note that this is an in-place transformation.
  
          :param audio_segment: Audio segment to add effects to.
          :type audio_segment: AudioSegment|SpeechSegment
          """
          sampled_speed = self._rng.uniform(self._min_speed_rate, self._max_speed_rate)
          audio_segment.change_speed(sampled_speed)
  
new_contents: """Contain the speech perturbation augmentation model."""
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  
  from data_utils.augmentor.base import AugmentorBase
  
  
  class SpeedPerturbAugmentor(AugmentorBase):
      """Augmentation model for adding speed perturbation.
  
      See reference paper here:
      http://www.danielpovey.com/files/2015_interspeech_augmentation.pdf
  
      :param rng: Random generator object.
      :type rng: random.Random
      :param min_speed_rate: Lower bound of new speed rate to sample.
      :type min_speed_rate: float
      :param max_speed_rate: Upper bound of new speed rate to sample.
      :type max_speed_rate: float
      """
  
      def __init__(self, rng, min_speed_rate, max_speed_rate):
  
          if (min_speed_rate < 0.5):
              raise ValueError("Sampling speed below 0.9 can cause unnatural "\
                               "effects")
          if (max_speed_rate > 1.5):
              raise ValueError("Sampling speed above 1.1 can cause unnatural "\
                               "effects")
          self._min_speed_rate = min_speed_rate
          self._max_speed_rate = max_speed_rate
          self._rng = rng
  
      def transform_audio(self, audio_segment):
          """Sample a new speed rate from the given range and
          changes the speed of the given audio clip.
  
          Note that this is an in-place transformation.
  
          :param audio_segment: Audio segment to add effects to.
          :type audio_segment: AudioSegment|SpeechSegment
          """
          sampled_speed = self._rng.uniform(self._min_speed_rate,
                                            self._max_speed_rate)
          audio_segment.change_speed(sampled_speed)
  
subject: modify setup.sh to delete the install of libsamplerate