i was missing that;

    def load_state(self):
        if self.state: return self.state
        try: s = CrudState.get(identity.current.user.id)
        except: return {}
        if s:return s.state
        return {}

    def save_state(self,state):
        try: s = CrudState.get(identity.current.user.id)
        except: s = None
        if s: s.state = state
        else: CrudState(id=identity.current.user.id,state=state)
        self.state = state


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