Fix pep8 violations in Robot_Tool Variables.py

Change-Id: Ib362320bee0db28afedfed395d37830d85d83d82
Signed-off-by: Thanh Ha <thanh.ha@linuxfoundation.org>

diff --git a/test/tools/Robot_Tool/variables/Variables.py b/test/tools/Robot_Tool/variables/Variables.py
index 100f3bca3187823a9355aa67a22de36b77a229b6..47f108fce5a7e0111e7e8ff7624e8814984f272f 100644 (file)
--- a/test/tools/Robot_Tool/variables/Variables.py
+++ b/test/tools/Robot_Tool/variables/Variables.py
@@ -3,7 +3,6 @@ Library for the robot based system test tool of the OpenDaylight project.
 Authors: Baohua Yang@IBM, Denghui Huang@IBM
 Updated: 2013-11-14
 """
-import collections
 
 # Global variables
 CONTROLLER = '127.0.0.1'
@@ -12,7 +11,7 @@ PREFIX = 'http://' + CONTROLLER + ':' + PORT
 CONTAINER = 'default'
 USER = 'admin'
 PWD = 'admin'
-AUTH = [u'admin',u'admin']
-HEADERS={'Content-Type':'application/json'}
-ODL_CONTROLLER_SESSION=None
-TOPO_TREE_LEVEL=2
+AUTH = [u'admin', u'admin']
+HEADERS = {'Content-Type': 'application/json'}
+ODL_CONTROLLER_SESSION = None
+TOPO_TREE_LEVEL = 2