code: def manipulate(
      self, data, start_pos, end_pos, pitch_level, sampling_rate
  ):
      aug_data = data.copy()
      aug_data[start_pos:end_pos] = librosa.effects.pitch_shift(
          y=aug_data[start_pos:end_pos],
          sr=sampling_rate,
          n_steps=pitch_level,
      )
  
      return aug_data
  
imports: import numpy
  from nlpaug.model.audio import Audio
label_desc: Use image node_id 2 for calling the Pitch obj's underlying member method code with example usage: obj.manipulate(data, start_pos, end_pos, pitch_level, sampling_rate) and returns: aug_data