diff --git a/extern/kvm_io b/extern/kvm_io
index 8d65238..fc82352 100644
--- a/extern/kvm_io
+++ b/extern/kvm_io
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 # vim: set fileencoding=utf-8
 #
@@ -27,7 +27,7 @@ graph_category virtualization
 graph_info This graph shows the block device I/O used of virtual machines
 graph_args --base 1024
     """
-    print (base_config)
+    print base_config
 
     for vm in vm_names:
         print "%s_read.label %s" % (vm, vm)