How to use the steampy.utils.get_key_value_from_url function in steampy

def test_get_key_value_from_url(self):
        url = 'https://steamcommunity.com/tradeoffer/new/?partner=aaa&token=bbb'
        self.assertEqual(utils.get_key_value_from_url(url, 'partner'), 'aaa')
        self.assertEqual(utils.get_key_value_from_url(url, 'token'), 'bbb')

def test_get_key_value_from_url(self):
        url = 'https://steamcommunity.com/tradeoffer/new/?partner=aaa&token=bbb'
        self.assertEqual(utils.get_key_value_from_url(url, 'partner'), 'aaa')
        self.assertEqual(utils.get_key_value_from_url(url, 'token'), 'bbb')

def test_get_key_value_from_url_case_insensitive(self):
        url = 'https://steamcommunity.com/tradeoffer/new/?Partner=aaa&Token=bbb'
        self.assertEqual(utils.get_key_value_from_url(url, 'partner', case_sensitive=False), 'aaa')
        self.assertEqual(utils.get_key_value_from_url(url, 'token', case_sensitive=False), 'bbb')

def test_get_key_value_from_url_case_insensitive(self):
        url = 'https://steamcommunity.com/tradeoffer/new/?Partner=aaa&Token=bbb'
        self.assertEqual(utils.get_key_value_from_url(url, 'partner', case_sensitive=False), 'aaa')
        self.assertEqual(utils.get_key_value_from_url(url, 'token', case_sensitive=False), 'bbb')

def make_offer_with_url(self, items_from_me: List[Asset], items_from_them: List[Asset],
                            trade_offer_url: str, message: str = '', case_sensitive: bool=True) -> dict:
        token = get_key_value_from_url(trade_offer_url, 'token', case_sensitive)
        partner_account_id = get_key_value_from_url(trade_offer_url, 'partner', case_sensitive)
        partner_steam_id = account_id_to_steam_id(partner_account_id)
        offer = self._create_offer_dict(items_from_me, items_from_them)
        session_id = self._get_session_id()
        url = SteamUrl.COMMUNITY_URL + '/tradeoffer/new/send'
        server_id = 1
        trade_offer_create_params = {'trade_offer_access_token': token}
        params = {
            'sessionid': session_id,
            'serverid': server_id,
            'partner': partner_steam_id,
            'tradeoffermessage': message,
            'json_tradeoffer': json.dumps(offer),
            'captcha': '',
            'trade_offer_create_params': json.dumps(trade_offer_create_params)
        }
        headers = {'Referer': SteamUrl.COMMUNITY_URL + urlparse.urlparse(trade_offer_url).path,

def make_offer_with_url(self, items_from_me: List[Asset], items_from_them: List[Asset],
                            trade_offer_url: str, message: str = '', case_sensitive: bool=True) -> dict:
        token = get_key_value_from_url(trade_offer_url, 'token', case_sensitive)
        partner_account_id = get_key_value_from_url(trade_offer_url, 'partner', case_sensitive)
        partner_steam_id = account_id_to_steam_id(partner_account_id)
        offer = self._create_offer_dict(items_from_me, items_from_them)
        session_id = self._get_session_id()
        url = SteamUrl.COMMUNITY_URL + '/tradeoffer/new/send'
        server_id = 1
        trade_offer_create_params = {'trade_offer_access_token': token}
        params = {
            'sessionid': session_id,
            'serverid': server_id,
            'partner': partner_steam_id,
            'tradeoffermessage': message,
            'json_tradeoffer': json.dumps(offer),
            'captcha': '',
            'trade_offer_create_params': json.dumps(trade_offer_create_params)
        }