diff --git a/deep_speech_2/data_utils/augmentor/online_bayesian_normalization.py b/deep_speech_2/data_utils/augmentor/online_bayesian_normalization.py
index bb999912e9e4ac9d24f1cfe0976e9def17c9ef33..e488ac7d67833631919f88b9e660a99b363b90d0 100755
--- a/deep_speech_2/data_utils/augmentor/online_bayesian_normalization.py
+++ b/deep_speech_2/data_utils/augmentor/online_bayesian_normalization.py
@@ -32,9 +32,8 @@ class OnlineBayesianNormalizationAugmentor(AugmentorBase):
         self._target_db = target_db
         self._prior_db = prior_db
         self._prior_samples = prior_samples
-        self._startup_delay = startup_delay
         self._rng = rng
-        self._startup_delay=startup_delay
+        self._startup_delay = startup_delay
 
     def transform_audio(self, audio_segment):
         """Normalizes the input audio using the online Bayesian approach.
@@ -44,7 +43,6 @@ class OnlineBayesianNormalizationAugmentor(AugmentorBase):
         :param audio_segment: Audio segment to add effects to.
         :type audio_segment: AudioSegment|SpeechSegment
         """
-        audio_segment.normalize_online_bayesian(self._target_db,
-                                                self._prior_db,
+        audio_segment.normalize_online_bayesian(self._target_db, self._prior_db,
                                                 self._prior_samples,
                                                 self._startup_delay)
diff --git a/deep_speech_2/setup.sh b/deep_speech_2/setup.sh
index 1ae2a5eee0f9cfd5b4318b29cf037165f78f2b73..e0ce1c4e6fe5aa0eb4006acb2be417afa57d0c7c 100644
--- a/deep_speech_2/setup.sh
+++ b/deep_speech_2/setup.sh
@@ -9,22 +9,4 @@ if [ $? != 0 ]; then
     exit 1
 fi
 
-# install scikits.samplerate
-curl -O "http://www.mega-nerd.com/SRC/libsamplerate-0.1.9.tar.gz"
-if [ $? != 0 ]; then
-    echo "Download libsamplerate-0.1.9.tar.gz failed !!!"
-    exit 1
-fi
-tar -xvf libsamplerate-0.1.9.tar.gz
-cd libsamplerate-0.1.9
-./configure && make && make install
-cd -
-rm -rf libsamplerate-0.1.9
-rm libsamplerate-0.1.9.tar.gz
-pip install scikits.samplerate==0.3.3
-if [ $? != 0 ]; then
-    echo "Install scikits.samplerate failed !!!"
-    exit 1
-fi
-
 echo "Install all dependencies successfully."