message: Fixed Python exception in world builder
diff: @@ -990,7 +990,6 @@ class CvWorldBuilderScreen:
  def setMultipleReveal(self, bReveal):
  lPlots = self.getMultiplePlotData()
  for pPlot in lPlots:
  - pPlot = CyMap().plot(x,y)
  if pPlot.isNone(): continue
  self.RevealCurrentPlot(bReveal, pPlot)
  self.refreshReveal()
  