code: def updateWidth(self):
      self.setPen(QtGui.QPen(self.color, self.width))
  
file_path: PaddleSeg/EISeg/eiseg/widget/line.py
imports: from qtpy import QtWidgets, QtGui, QtCore
label_desc: Use image node_id 5 for calling the LineItem obj's underlying member method code with example usage: obj.updateWidth() without return types