code: def postinit(self, body=None, handlers=None, orelse=None):
          
          self.body = body
          self.handlers = handlers
          self.orelse = orelse
docs: Do some setup after initialisation.
  
          :param body: The contents of the block to catch exceptions from.
          :type body: list(NodeNG) or None
  
          :param handlers: The exception handlers.
          :type handlers: list(ExceptHandler) or None
  
          :param orelse: The contents of the ``else`` block.
          :type orelse: list(NodeNG) or None