def purchase(self, money, credit_card, options=None):
        raise NotImplementedError
If request.session was modified, or if the configuration is to save the
dataset/ETHPy150Open agiliq/merchant/billing/gateway.py/Gateway.purchase--crossover with--dataset/ETHPy150Open zulip/zulip/zerver/middleware.py/SessionHostDomainMiddleware.process_response