diff --git a/src/sugar/wm.py b/src/sugar/wm.py
index 00c6fd05..8f1903f7 100644
--- a/src/sugar/wm.py
+++ b/src/sugar/wm.py
@@ -38,6 +38,7 @@ def _property_get_trapped(window, prop, prop_type):
 
 
 def _property_change_trapped(window, prop, prop_type, format, mode, data):
+    # pylint: disable=W0622
     gtk.gdk.error_trap_push()
 
     window.property_change(prop, prop_type, format, mode, data)