code: def postinit(
          self, bases, body, decorators, newstyle=None, metaclass=None, keywords=None
      ):
          
          self.keywords = keywords
          self.bases = bases
          self.body = body
          self.decorators = decorators
          if newstyle is not None:
              self._newstyle = newstyle
          if metaclass is not None:
              self._metaclass = metaclass
docs: Do some setup after initialisation.
  
          :param bases: What the class inherits from.
          :type bases: list(NodeNG)
  
          :param body: The contents of the class body.
          :type body: list(NodeNG)
  
          :param decorators: The decorators that are applied to this class.
          :type decorators: Decorators or None
  
          :param newstyle: Whether this is a new style class or not.
          :type newstyle: bool or None
  
          :param metaclass: The metaclass of this class.
          :type metaclass: NodeNG or None
  
          :param keywords: The keywords given to the class definition.
          :type keywords: list(Keyword) or None