docs: def hoverLeaveEvent(self, event):
          """
          Processes the hovering information for this node.
          
          :param      event | <QHoverEvent>
          """
          if self._hoverSpot:
              if self._hoverSpot.hoverLeaveEvent(event):
                  self.update()
          
          self._hoverSpot = None
          self._hovered = False
          
          super(XNode, self).setToolTip(self._toolTip)
          super(XNode, self).hoverLeaveEvent(event)