@property
    def graph(self):
        if not hasattr(self, "_graph"):
            if self.current_user:
                self._graph = facebook.GraphAPI(self.current_user.access_token)
            else:
                self._graph = facebook.GraphAPI()
        return self._graph
Clean up a stringlist configuration attribute: keep only choices
dataset/ETHPy150Open aino/python-fb/examples/newsfeed/facebookclient.py/BaseHandler.graph--crossover with--dataset/ETHPy150Open beetbox/beets/beets/plugins.py/sanitize_choices