code: def postinit(self, body=None, finalbody=None):
          
          self.body = body
          self.finalbody = finalbody
docs: Do some setup after initialisation.
  
          :param body: The try-except that the finally is attached to.
          :type body: list(TryExcept) or None
  
          :param finalbody: The contents of the ``finally`` block.
          :type finalbody: list(NodeNG) or None