def unregisterWidget (self, nameOrWidget):
if isinstance (nameOrWidget, str):
QRearrangeableLayout.removeWidget (self.widgets [nameOrWidget])
del self.widgets [nameOrWidget]
return
elif isinstance (nameOrWidget, QWidget):
name = [n for n, w in self.widgets.iteritems () if v == nameOrWidget][0]
self.unregisterWidget (name)
return
raise KeyError ("No such widget: " + repr (nameOrWidget))
