diff --git a/TestON/tests/USECASE/SegmentRouting/SRDynamic/SRDynamic.py b/TestON/tests/USECASE/SegmentRouting/SRDynamic/SRDynamic.py
old mode 100755
new mode 100644
index 44f704e..1af681c
--- a/TestON/tests/USECASE/SegmentRouting/SRDynamic/SRDynamic.py
+++ b/TestON/tests/USECASE/SegmentRouting/SRDynamic/SRDynamic.py
@@ -1,5 +1,5 @@
 """
-Copyright 2016 Open Networking Foundation (ONF)
+Copyright 2016 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>,
@@ -8,7 +8,7 @@
     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
@@ -18,7 +18,6 @@
     You should have received a copy of the GNU General Public License
     along with TestON.  If not, see <http://www.gnu.org/licenses/>.
 """
-
 # CASE1: 2x2 Leaf-Spine topo and test IP connectivity
 # CASE2: 4x4 topo + IP connectivity test
 # CASE3: Single switch topo + IP connectivity test
@@ -26,7 +25,9 @@
 # CASE5: 4x4 topo + 3-node ONOS CLUSTER + IP connectivity test
 # CASE6: Single switch + 3-node ONOS CLUSTER + IP connectivity test
 
+
 class SRDynamic:
+
     def __init__( self ):
         self.default = ''