diff --git a/blockchain_integration/pi_network/payment_gateways/stripe.py b/blockchain_integration/pi_network/payment_gateways/stripe.py
index 413ef04e2..01c91189c 100644
--- a/blockchain_integration/pi_network/payment_gateways/stripe.py
+++ b/blockchain_integration/pi_network/payment_gateways/stripe.py
@@ -1,5 +1,6 @@
 import stripe
 
+
 class StripePaymentGateway:
     def __init__(self, secret_key):
         self.secret_key = secret_key
@@ -7,8 +8,6 @@ def __init__(self, secret_key):
 
     def create_charge(self, amount, currency, source):
         charge = stripe.Charge.create(
-            amount=int(amount * 100),
-            currency=currency,
-            source=source
+            amount=int(amount * 100), currency=currency, source=source
         )
         return charge