code: def childEvent(self, ev):
      super().childEvent(ev)
      self.container.childEvent_(ev)
  
imports: import weakref
  from ..Qt import QtCore, QtWidgets
  from .Dock import Dock
label_desc: Use image node_id 2 for calling the StackedWidget obj's underlying member method code with example usage: obj.childEvent(ev) without return types