def METHOD_NAME(self):
    if self.cached_name is None or self.cached_name in SLACK_WRONG_TEAM_NAMES:
        try:
            sc = SlackClient(self)
            result = sc.team_info()
            self.cached_name = result["team"]["name"]
            self.save()
        except SlackAPIInvalidAuthError:
            self.cached_name = SLACK_INVALID_AUTH_RESPONSE
            self.save()
    return self.cached_name