Works for me. IMHO it looks a little bit better with the patch.
http://codereview.appspot.com/3939043/diff/1/tryton/gui/window/view_form/view... File tryton/gui/window/view_form/view/list.py (right): http://codereview.appspot.com/3939043/diff/1/tryton/gui/window/view_form/view... tryton/gui/window/view_form/view/list.py:162: self.viewport = gtk.Viewport() Polluting the namespace of self http://codereview.appspot.com/3939043/diff/1/tryton/gui/window/view_form/view... tryton/gui/window/view_form/view/list.py:171: self.widget.pack_start(self.viewport, expand=True, fill=True) naming it vbox would make it clearer what is happening