diff --git a/python_apps/pypo/liquidsoap_scripts/ls_script.liq b/python_apps/pypo/liquidsoap_scripts/ls_script.liq
index cd01ad453..489d494a3 100644
--- a/python_apps/pypo/liquidsoap_scripts/ls_script.liq
+++ b/python_apps/pypo/liquidsoap_scripts/ls_script.liq
@@ -195,28 +195,81 @@ def check_dj_client(user,password) =
     hd == "True"
 end
 
-def append_dj_inputs(master_harbor_input_port, master_harbor_input_mount_point, dj_harbor_input_port, dj_harbor_input_mount_point, s) =
-    if master_harbor_input_port != 0 and master_harbor_input_mount_point != "" and dj_harbor_input_port != 0 and dj_harbor_input_mount_point != "" then
-        master_dj = mksafe(audio_to_stereo(input.harbor(id="master_harbor", master_harbor_input_mount_point, port=master_harbor_input_port, auth=check_master_dj_client,
-                    max=40., on_connect=master_dj_connect, on_disconnect=master_dj_disconnect)))
-        dj_live = mksafe(audio_to_stereo(input.harbor(id="live_dj_harbor", dj_harbor_input_mount_point, port=dj_harbor_input_port, auth=check_dj_client,
-                    max=40., on_connect=live_dj_connect, on_disconnect=live_dj_disconnect)))
+def append_dj_inputs(master_harbor_input_port,
+         master_harbor_input_mount_point, 
+        dj_harbor_input_port,
+        dj_harbor_input_mount_point, 
+        s) =
+    if master_harbor_input_port != 0 
+            and master_harbor_input_mount_point != "" 
+            and dj_harbor_input_port != 0 
+            and dj_harbor_input_mount_point != "" then
+
+        master_dj = mksafe(
+                        audio_to_stereo(
+                            input.harbor(id="master_harbor", 
+                                        master_harbor_input_mount_point, 
+                                        port=master_harbor_input_port, 
+                                        auth=check_master_dj_client,
+                                        max=40., 
+                                        on_connect=master_dj_connect, 
+                                        on_disconnect=master_dj_disconnect)))
+
+        dj_live = mksafe(
+                        audio_to_stereo(
+                            input.harbor(id="live_dj_harbor", 
+                                        dj_harbor_input_mount_point, 
+                                        port=dj_harbor_input_port, 
+                                        auth=check_dj_client,
+                                        max=40., 
+                                        on_connect=live_dj_connect, 
+                                        on_disconnect=live_dj_disconnect)))
 
         ignore(output.dummy(master_dj, fallible=true))
         ignore(output.dummy(dj_live, fallible=true))
-        switch(id="master_dj_switch", track_sensitive=false, transitions=[transition, transition, transition], [({!master_dj_enabled},master_dj), ({!live_dj_enabled},dj_live), ({true}, s)])
+
+        switch(id="master_dj_switch", 
+            track_sensitive=false, 
+            transitions=[transition, transition, transition], 
+            [({!master_dj_enabled},master_dj), 
+            ({!live_dj_enabled},dj_live), 
+            ({true}, s)])
+
     elsif master_harbor_input_port != 0 and master_harbor_input_mount_point != "" then
-        master_dj = mksafe(audio_to_stereo(input.harbor(id="master_harbor", master_harbor_input_mount_point, port=master_harbor_input_port, auth=check_master_dj_client,
-                     max=40., on_connect=master_dj_connect, on_disconnect=master_dj_disconnect)))
+        master_dj = mksafe(
+                        audio_to_stereo(
+                            input.harbor(id="master_harbor", 
+                                master_harbor_input_mount_point, 
+                                port=master_harbor_input_port, 
+                                auth=check_master_dj_client,
+                                max=40., 
+                                on_connect=master_dj_connect, 
+                                on_disconnect=master_dj_disconnect)))
+
         ignore(output.dummy(master_dj, fallible=true))
         
-        switch(id="master_dj_switch", track_sensitive=false, transitions=[transition, transition], [({!master_dj_enabled},master_dj), ({true}, s)])
+        switch(id="master_dj_switch", 
+            track_sensitive=false, 
+            transitions=[transition, transition], 
+            [({!master_dj_enabled},master_dj), ({true}, s)])
+
     elsif dj_harbor_input_port != 0 and dj_harbor_input_mount_point != "" then
-        dj_live = mksafe(audio_to_stereo(input.harbor(id="live_dj_harbor", dj_harbor_input_mount_point, port=dj_harbor_input_port, auth=check_dj_client,
-                    max=40., on_connect=live_dj_connect, on_disconnect=live_dj_disconnect)))
+        dj_live = mksafe(
+            audio_to_stereo(
+                input.harbor(id="live_dj_harbor", 
+                    dj_harbor_input_mount_point, 
+                    port=dj_harbor_input_port, 
+                    auth=check_dj_client,
+                    max=40., 
+                    on_connect=live_dj_connect, 
+                    on_disconnect=live_dj_disconnect)))
 
         ignore(output.dummy(dj_live, fallible=true))
-        switch(id="live_dj_switch", track_sensitive=false, transitions=[transition, transition], [({!live_dj_enabled},dj_live), ({true}, s)])
+
+        switch(id="live_dj_switch", 
+            track_sensitive=false, 
+            transitions=[transition, transition], 
+            [({!live_dj_enabled},dj_live), ({true}, s)])
     else
         s
     end