code: def setRevolutionsPerSecond(self, revolutionsPerSecond):
      self.mRevolutionsPerSecond = revolutionsPerSecond
      self.updateTimer()
  
imports: from math import ceil
  from PyQt5.QtCore import *
  from PyQt5.QtGui import *
  from PyQt5.QtWidgets import *
label_desc: Use image node_id 28 for calling the Spinner obj's underlying member method code with example usage: obj.setRevolutionsPerSecond(revolutionsPerSecond) without return types