code: def hoverLeaveEvent(self, ev):
      self.polygon_item.line_hovering = False
      self.setPen(QtGui.QPen(self.color, self.width))
      super(LineItem, self).hoverLeaveEvent(ev)
  
file_path: PaddleSeg/EISeg/eiseg/widget/line.py
imports: from qtpy import QtWidgets, QtGui, QtCore
label_desc: Use image node_id 7 for calling the LineItem obj's underlying member method code with example usage: obj.hoverLeaveEvent(ev) without return types