def update(self, merchant_account_id, params={}):
        Resource.verify_keys(params, MerchantAccountGateway._update_signature())
        return self._put(merchant_account_id % "/merchant_accounts/%s/update_via_api", {"merchant_account": params})
dataset/ETHPy150Open braintree/braintree_python/braintree/merchant_account_gateway.py/MerchantAccountGateway.update/swapped operands of `%`