diff --git a/tools/python/xen/util/xsm/xsm.py b/tools/python/xen/util/xsm/xsm.py
index e2639c0d66..1c093c627f 100644
--- a/tools/python/xen/util/xsm/xsm.py
+++ b/tools/python/xen/util/xsm/xsm.py
@@ -7,10 +7,11 @@ from xsm_core import xsm_init
 xoptions = XendOptions.instance()
 xsm_module_name = xoptions.get_xsm_module_name()
 
-xsconstants.XS_POLICY_USE = eval("xsconstants.XS_POLICY_"+string.upper(xsm_module_name))
+xsconstants.XS_POLICY_USE = eval("xsconstants.XS_POLICY_" +
+                                 string.upper(xsm_module_name))
 
 xsm_module_path = "xen.util.xsm." + xsm_module_name + "." + xsm_module_name
-xsm_module = __import__(xsm_module_path, globals(), locals(), ['*'], -1)
+xsm_module = __import__(xsm_module_path, globals(), locals(), ['*'])
 
 xsm_init(xsm_module)