Fixes PEP8 error E121

Fixed E121 errors where continuation line indentation is not a multiple of four

Change-Id: I267036c4c95aaa772170f4f23b675fa71abb4036
diff --git a/stress/test_server_actions.py b/stress/test_server_actions.py
index ca66dec..3b4e71c 100644
--- a/stress/test_server_actions.py
+++ b/stress/test_server_actions.py
@@ -56,8 +56,7 @@
         reboot_target = target[0]
         # It seems that doing a reboot when in reboot is an error.
         try:
-            response, body = manager.servers_client.reboot(
-                                                           reboot_target['id'],
+            response, body = manager.servers_client.reboot(reboot_target['id'],
                                                            _reboot_arg)
         except Duplicate:
             return