code: def apoptose(self, propagate=True):
      # remove top container if possible, close this area if it is temporary.
      # print "apoptose area:", self.temporary, self.topContainer, self.topContainer.count()
      if self.topContainer is None or self.topContainer.count() == 0:
          self.topContainer = None
          if self.temporary and self.home is not None:
              self.home.removeTempArea(self)
  
imports: import weakref
  from ..Qt import QtWidgets
  from .Container import Container, HContainer, TContainer, VContainer
  from .Dock import Dock
  from .DockDrop import DockDrop
label_desc: Use image node_id 19 for calling the DockArea obj's underlying member method code with example usage: obj.apoptose(propagate) without return types