diff --git a/scripts/_common.sh b/scripts/_common.sh
index eab697a..37da236 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -6,9 +6,9 @@
 
 # dependencies used by the app
 pkg_dependencies="acl build-essential python3-dev python3-pip python3-venv git postgresql postgresql-contrib \
-                  gir1.2-gst-plugins-base-1.0 gir1.2-gstreamer-1.0 gstreamer1.0-plugins-good gstreamer1.0-plugins-ugly lsb-base \
-		  python3-gst-1.0 python3-tornado debconf python3-pkg-resources python3-pykka python3-requests \
-		  gstreamer1.0-alsa gstreamer1.0-pulseaudio gstreamer1.0-tools"
+gir1.2-gst-plugins-base-1.0 gir1.2-gstreamer-1.0 gstreamer1.0-plugins-good gstreamer1.0-plugins-ugly lsb-base \
+python3-gst-1.0 python3-tornado debconf python3-pkg-resources python3-pykka python3-requests \
+gstreamer1.0-alsa gstreamer1.0-pulseaudio gstreamer1.0-tools"
 
 #=================================================
 # PERSONAL HELPERS
@@ -17,25 +17,24 @@ pkg_dependencies="acl build-essential python3-dev python3-pip python3-venv git p
 python_version="$(python3 -V | cut -d' ' -f2 | cut -d. -f1-2)"
 
 myynh_install() {
-    python3 -m venv "${final_path}/env"
-    chown -R "$app" "$final_path"
+	python3 -m venv "${final_path}/env"
+	chown -R "$app" "$final_path"
 
-    #run source in a 'sub shell'
-    (
+	#run source in a 'sub shell'
+	(
 	set +o nounset
 	source "${final_path}/env/bin/activate"
 	set -o nounset
 	ynh_exec_as $app $final_path/env/bin/pip install --upgrade --no-cache-dir pip
-        
+
 	# to make Gstreamer visible in Python environment
 	$final_path/env/bin/python3 -m pip install vext
 	$final_path/env/bin/python3 -m pip install --no-binary=:all: vext.gi
 
 	# install essential packages
 	ynh_exec_as $app $final_path/env/bin/python3 -m pip install --no-cache-dir Mopidy==3.2.0
-        
-        ynh_exec_as $app $final_path/env/bin/python3 -m pip install --no-cache-dir Mopidy-local==3.2.1
-    	ynh_exec_as $app $final_path/env/bin/python3 -m pip install --no-cache-dir Mopidy-MusicBox-Webclient==3.1.0
+	ynh_exec_as $app $final_path/env/bin/python3 -m pip install --no-cache-dir Mopidy-local==3.2.1
+	ynh_exec_as $app $final_path/env/bin/python3 -m pip install --no-cache-dir Mopidy-MusicBox-Webclient==3.1.0
 	ynh_exec_as $app $final_path/env/bin/python3 -m pip install --no-cache-dir Mopidy-YouTube==3.3
 	ynh_exec_as $app $final_path/env/bin/python3 -m pip install --no-cache-dir mopidy-ytmusic==0.3.0
 	ynh_exec_as $app $final_path/env/bin/python3 -m pip install --no-cache-dir Mopidy-RadioNet==0.2.2
@@ -43,7 +42,7 @@ myynh_install() {
 	ynh_exec_as $app $final_path/env/bin/python3 -m pip install --no-cache-dir Mopidy-Podcast-iTunes==3.0.0
 	ynh_exec_as $app $final_path/env/bin/python3 -m pip install --no-cache-dir Mopidy-SoundCloud==3.0.1
 	ynh_exec_as $app $final_path/env/bin/python3 -m pip install --no-cache-dir Mopidy-MPD==3.1.0
-    )
+	)
 }
 
 #=================================================