diff --git a/nova/tests/test_xenapi.py b/nova/tests/test_xenapi.py
index 93afe9ce..261ee0fd 100644
--- a/nova/tests/test_xenapi.py
+++ b/nova/tests/test_xenapi.py
@@ -286,6 +286,6 @@ class XenAPIDiffieHellmanTestCase(test.TestCase):
         enc = self.alice.encrypt(msg)
         dec = self.bob.decrypt(enc)
         self.assertEquals(dec, msg)
-    
+
     def tearDown(self):
         super(XenAPIDiffieHellmanTestCase, self).tearDown()