diff -r 26c02bd94bd9 -r b4ff7392003a tuikit/layouts/offset.py
--- a/tuikit/layouts/offset.py	Sun Feb 15 12:48:23 2015 +0100
+++ b/tuikit/layouts/offset.py	Sun Feb 15 12:52:46 2015 +0100
@@ -15,7 +15,7 @@
         """Offset of child widgets."""
         return self._offset
 
-    def update(self):
+    def update(self, _w, _h):
         for widget in self._managed_widgets:
             widget.resize(*widget.sizereq)
             widget.pos.update(*(widget.posreq + self.offset))