code: def setLineLength(self, length):
      self.mLineLength = length
      self.updateSize()
  
imports: from math import ceil
  from PyQt5.QtCore import *
  from PyQt5.QtGui import *
  from PyQt5.QtWidgets import *
label_desc: Use image node_id 13 for calling the Spinner obj's underlying member method code with example usage: obj.setLineLength(length) without return types