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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def focusOutEvent(self, ev):
 """Redefine focusOut events to stop editing"""

        Kittens.widgets.ClickableTreeWidget.focusOutEvent(self, ev)
        # if focus is going to a child of ours, do nothing
        wid = QApplication.focusWidget()
        while wid:
            if wid is self:
                return
            wid = wid.parent()
        # else we're truly losing focus -- stop the editor
        self._startOrStopEditing()