How to use the splitwise.exception.SplitwiseUnauthorizedException function in splitwise

def test_group_invalidkeys_fail(self):
        sObj = Splitwise('consumerkey', 'consumersecret', {"oauth_token": "sdsd", "oauth_token_secret": "sdsdd"})
        group = Group()
        with self.assertRaises(SplitwiseUnauthorizedException):
            sObj.createGroup(group)

dict: dict containing:
              oauth_token(str): The OAuth 1.0 token

              oauth_token_secret(str): The OAuth 1.0 token secret
        """
        oauth1 = OAuth1(
            self.consumer_key,
            client_secret=self.consumer_secret,
            resource_owner_key=oauth_token,
            resource_owner_secret=oauth_token_secret,
            verifier=oauth_verifier
        )

        try:
            content = self.__makeRequest(Splitwise.ACCESS_TOKEN_URL, 'POST', auth=oauth1)
        except SplitwiseUnauthorizedException as e:
            e.setMessage("Your oauth token could be expired or check your consumer id and secret")
            raise

        credentials = parse_qs(content)
        return {
            "oauth_token": credentials.get("oauth_token")[0],
            "oauth_token_secret": credentials.get("oauth_token_secret")[0],
        }

auth = self.auth

        requestObj = Request(method=method, url=url, data=data, auth=auth)

        prep_req = requestObj.prepare()

        with sessions.Session() as session:
            response = session.send(prep_req)

        if response.status_code == 200:
            if (response.content and hasattr(response.content, "decode")):
                return response.content.decode("utf-8")
            return response.content

        if response.status_code == 401:
            raise SplitwiseUnauthorizedException("Please check your token or consumer id and secret", response=response)

        if response.status_code == 403:
            raise SplitwiseNotAllowedException("You are not allowed to perform this operation", response=response)

        if response.status_code == 400:
            raise SplitwiseBadRequestException("Please check your request", response=response)

        if response.status_code == 404:
            raise SplitwiseNotFoundException("Required resource is not found", response)

        raise SplitwiseException("Unknown error happened", response)