code: def apoptose(self, propagate=True):
      # if there is only one (or zero) item in this container, disappear.
      # if propagate is True, then also attempt to apoptose parent containers.
      cont = self._container
      c = self.count()
      if c > 1:
          return
      if (
          c == 1
      ):  ## if there is one item, give it to the parent container (unless this is the top)
          ch = self.widget(0)
          if (
              self.area is not None
              and self is self.area.topContainer
              and not isinstance(ch, Container)
          ) or self.container() is None:
              return
          self.container().insert(ch, "before", self)
      # print "apoptose:", self
      self.close()
      if propagate and cont is not None:
          cont.apoptose()
  
imports: import weakref
  from ..Qt import QtCore, QtWidgets
  from .Dock import Dock
label_desc: Use image node_id 6 for calling the Container obj's underlying member method code with example usage: obj.apoptose(propagate) without return types