modify some detail of augmentor

Author: xushaoyong

deep_speech_2/data_utils/augmentor/augmentation.py

@@ -9,7 +9,8 @@
 from data_utils.augmentor.shift_perturb import ShiftPerturbAugmentor
 from data_utils.augmentor.speed_perturb import SpeedPerturbAugmentor
 from data_utils.augmentor.resample import ResampleAugmentor
-from data_utils.augmentor.online_bayesian_normalization import OnlineBayesianNormalizationAugmentor
+from data_utils.augmentor.online_bayesian_normalization import \
+     OnlineBayesianNormalizationAugmentor
 
 
 class AugmentationPipeline(object):

deep_speech_2/data_utils/augmentor/speed_perturb.py

@@ -15,10 +15,10 @@ class SpeedPerturbAugmentor(AugmentorBase):
     :param rng: Random generator object.
     :type rng: random.Random
     :param min_speed_rate: Lower bound of new speed rate to sample and should
-                           not below 0.9.
+                           not be smaller than 0.9.
     :type min_speed_rate: float
     :param max_speed_rate: Upper bound of new speed rate to sample and should
-                           not above 1.1.
+                           not be larger than 1.1.
     :type max_speed_rate: float
     """