diff --git a/blockchain_integration/pi_network/payment_gateways/amazon_pay.py b/blockchain_integration/pi_network/payment_gateways/amazon_pay.py
index 83386265a..f41e51159 100644
--- a/blockchain_integration/pi_network/payment_gateways/amazon_pay.py
+++ b/blockchain_integration/pi_network/payment_gateways/amazon_pay.py
@@ -1,5 +1,6 @@
 import amazon_pay
 
+
 class AmazonPayPaymentGateway:
     def __init__(self, seller_id, client_id, client_secret):
         self.seller_id = seller_id
@@ -8,8 +9,5 @@ def __init__(self, seller_id, client_id, client_secret):
         amazon_pay.Configuration.configure(seller_id, client_id, client_secret)
 
     def create_payment(self, amount, currency):
-        payment = amazon_pay.Payment.create({
-            'amount': amount,
-            'currency': currency
-        })
+        payment = amazon_pay.Payment.create({"amount": amount, "currency": currency})
         return payment