diff --git a/nova/tests/test_virt.py b/nova/tests/test_virt.py
index ed7943ac..8cee5557 100644
--- a/nova/tests/test_virt.py
+++ b/nova/tests/test_virt.py
@@ -258,8 +258,8 @@ class LibvirtConnTestCase(test.TestCase):
         check = [
         (lambda t: t.find('.').get('type'), 'lxc'),
         (lambda t: t.find('./os/type').text, 'exe'),
-	(lambda t: t.find('./devices/filesystem/source').get('dir'), 'rootfs'),
-	(lambda t: t.find('./devices/filesystem/target').get('dir'), '/')]
+        (lambda t: t.find('./devices/filesystem/source').get('dir'), 'rootfs'),
+        (lambda t: t.find('./devices/filesystem/target').get('dir'), '/')]
 
         for i, (check, expected_result) in enumerate(check):
             self.assertEqual(check(tree),