def __init__(self,_simulator,_frequency=1):
     SteppableBasePy.__init__(self,_simulator,_frequency)        
     # self.simulator=_simulator
     # self.inventory=self.simulator.getPotts().getCellInventory()
     # self.cellList=CellList(self.inventory)
     # self.clusterList=ClusterList(self.inventory)
     # self.clusterInventory=self.inventory.getClusterInventory().getContainer()
     self.mitosisSteppable=CompuCell.MitosisSteppable()
     self.mitosisSteppable.init(self.simulator)
     self.parentCell=self.mitosisSteppable.parentCell
     self.childCell=self.mitosisSteppable.childCell  
     self.mitosisDone=False