diff --git a/quantum/plugins/bigswitch/tests/test_server.py b/quantum/plugins/bigswitch/tests/test_server.py
old mode 100644
new mode 100755
index d1323e6809..8ae5e0b28e
--- a/quantum/plugins/bigswitch/tests/test_server.py
+++ b/quantum/plugins/bigswitch/tests/test_server.py
@@ -1,4 +1,6 @@
+#!/usr/bin/env python
 # vim: tabstop=4 shiftwidth=4 softtabstop=4
+
 # Copyright 2012, Big Switch Networks, Inc.
 # All Rights Reserved.
 #
@@ -15,6 +17,7 @@
 #    under the License.
 #
 # @author: Mandeep Dhami, Big Switch Networks, Inc.
+
 """
 Test server mocking a REST based network ctrl. Used for QuantumRestProxy tests
 """
diff --git a/quantum/plugins/bigswitch/version.py b/quantum/plugins/bigswitch/version.py
old mode 100644
new mode 100755
index 3ec12c8090..2a441ed1fb
--- a/quantum/plugins/bigswitch/version.py
+++ b/quantum/plugins/bigswitch/version.py
@@ -1,5 +1,6 @@
+#!/usr/bin/env python
 # vim: tabstop=4 shiftwidth=4 softtabstop=4
-#
+
 # Copyright 2012 OpenStack, LLC
 # Copyright 2012, Big Switch Networks, Inc.
 #