diff --git a/TestON/tests/HA/dependencies/obelisk.py b/TestON/tests/HA/dependencies/obelisk.py
old mode 100755
new mode 100644
index 40cc242..c43941c
--- a/TestON/tests/HA/dependencies/obelisk.py
+++ b/TestON/tests/HA/dependencies/obelisk.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 
 """
-Copyright 2015 Open Networking Foundation (ONF)
+Copyright 2015 Open Networking Foundation ( ONF )
 
 Please refer questions to either the onos test mailing list at <onos-test@onosproject.org>,
 the System Testing Plans and Results wiki page at <https://wiki.onosproject.org/x/voMg>,
@@ -10,7 +10,7 @@
     TestON is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 2 of the License, or
-    (at your option) any later version.
+    ( at your option ) any later version.
 
     TestON is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -20,63 +20,65 @@
     You should have received a copy of the GNU General Public License
     along with TestON.  If not, see <http://www.gnu.org/licenses/>.
 """
-
 from mininet.topo import Topo
 
+
 class ObeliskTopo( Topo ):
+
     def __init__( self ):
         Topo.__init__( self )
-        topSwitch = self.addSwitch('s1',dpid='1000'.zfill(16))
-        leftTopSwitch = self.addSwitch('s2',dpid='2000'.zfill(16))
-        rightTopSwitch = self.addSwitch('s5',dpid='5000'.zfill(16))
-        leftBotSwitch = self.addSwitch('s3',dpid='3000'.zfill(16))
-        rightBotSwitch = self.addSwitch('s6',dpid='6000'.zfill(16))
-        midBotSwitch = self.addSwitch('s28',dpid='2800'.zfill(16))
+        topSwitch = self.addSwitch( 's1', dpid='1000'.zfill( 16 ) )
+        leftTopSwitch = self.addSwitch( 's2', dpid='2000'.zfill( 16 ) )
+        rightTopSwitch = self.addSwitch( 's5', dpid='5000'.zfill( 16 ) )
+        leftBotSwitch = self.addSwitch( 's3', dpid='3000'.zfill( 16 ) )
+        rightBotSwitch = self.addSwitch( 's6', dpid='6000'.zfill( 16 ) )
+        midBotSwitch = self.addSwitch( 's28', dpid='2800'.zfill( 16 ) )
 
         topHost = self.addHost( 'h1' )
-        leftTopHost = self.addHost('h2')
-        rightTopHost = self.addHost('h5')
-        leftBotHost = self.addHost('h3')
-        rightBotHost = self.addHost('h6')
-        midBotHost = self.addHost('h28')
-        self.addLink(topSwitch,topHost)
-        self.addLink(leftTopSwitch,leftTopHost)
-        self.addLink(rightTopSwitch,rightTopHost)
-        self.addLink(leftBotSwitch,leftBotHost)
-        self.addLink(rightBotSwitch,rightBotHost)
-        self.addLink(midBotSwitch,midBotHost)
-        self.addLink(leftTopSwitch,rightTopSwitch)
-        self.addLink(topSwitch,leftTopSwitch)
-        self.addLink(topSwitch,rightTopSwitch)
-        self.addLink(leftTopSwitch,leftBotSwitch)
-        self.addLink(rightTopSwitch,rightBotSwitch)
-        self.addLink(leftBotSwitch,midBotSwitch)
-        self.addLink(midBotSwitch,rightBotSwitch)
+        leftTopHost = self.addHost( 'h2' )
+        rightTopHost = self.addHost( 'h5' )
+        leftBotHost = self.addHost( 'h3' )
+        rightBotHost = self.addHost( 'h6' )
+        midBotHost = self.addHost( 'h28' )
+        self.addLink( topSwitch, topHost )
+        self.addLink( leftTopSwitch, leftTopHost )
+        self.addLink( rightTopSwitch, rightTopHost )
+        self.addLink( leftBotSwitch, leftBotHost )
+        self.addLink( rightBotSwitch, rightBotHost )
+        self.addLink( midBotSwitch, midBotHost )
+        self.addLink( leftTopSwitch, rightTopSwitch )
+        self.addLink( topSwitch, leftTopSwitch )
+        self.addLink( topSwitch, rightTopSwitch )
+        self.addLink( leftTopSwitch, leftBotSwitch )
+        self.addLink( rightTopSwitch, rightBotSwitch )
+        self.addLink( leftBotSwitch, midBotSwitch )
+        self.addLink( midBotSwitch, rightBotSwitch )
 
-        agg1Switch = self.addSwitch('s4',dpid = '3004'.zfill(16))
-        agg2Switch = self.addSwitch('s7',dpid = '6007'.zfill(16))
-        agg1Host = self.addHost('h4')
-        agg2Host = self.addHost('h7')
-        self.addLink(agg1Switch,agg1Host)
-        self.addLink(agg2Switch,agg2Host)
-        self.addLink(agg1Switch, leftBotSwitch)
-        self.addLink(agg2Switch, rightBotSwitch)
+        agg1Switch = self.addSwitch( 's4', dpid='3004'.zfill( 16 ) )
+        agg2Switch = self.addSwitch( 's7', dpid='6007'.zfill( 16 ) )
+        agg1Host = self.addHost( 'h4' )
+        agg2Host = self.addHost( 'h7' )
+        self.addLink( agg1Switch, agg1Host )
+        self.addLink( agg2Switch, agg2Host )
+        self.addLink( agg1Switch, leftBotSwitch )
+        self.addLink( agg2Switch, rightBotSwitch )
 
-        for i in range(10):
-            num = str(i+8)
-            switch = self.addSwitch('s'+num,dpid = ('30'+num.zfill(2)).zfill(16))
-            host = self.addHost('h'+num)
-            self.addLink(switch, host)
-            self.addLink(switch, agg1Switch)
+        for i in range( 10 ):
+            num = str( i + 8 )
+            switch = self.addSwitch( 's' + num, dpid=( '30' + num.zfill( 2 ) ).zfill( 16 ) )
+            host = self.addHost( 'h' + num )
+            self.addLink( switch, host )
+            self.addLink( switch, agg1Switch )
 
-        for i in range(10):
-            num = str(i+18)
-            switch = self.addSwitch('s'+num,dpid = ('60'+num.zfill(2)).zfill(16))
-            host = self.addHost('h'+num)
-            self.addLink(switch, host)
-            self.addLink(switch, agg2Switch)
+        for i in range( 10 ):
+            num = str( i + 18 )
+            switch = self.addSwitch( 's' + num, dpid=( '60' + num.zfill( 2 ) ).zfill( 16 ) )
+            host = self.addHost( 'h' + num )
+            self.addLink( switch, host )
+            self.addLink( switch, agg2Switch )
 
-topos = { 'obelisk': (lambda: ObeliskTopo() ) }
+topos = { 'obelisk': ( lambda: ObeliskTopo() ) }
+
 
 def run():
     topo = ObeliskTopo()