def METHOD_NAME(self, poll):
    if "request" in self.context:
        user = self.context["request"].user
        if user.is_authenticated:
            return (
                models.Vote.objects.filter(
                    choice__question__poll=poll, creator=user
                ).count()
                + models.Answer.objects.filter(
                    question__poll=poll, creator=user
                ).count()
            ) > 0
    return False