diff --git a/registrasion/tests/test_invoice.py b/registrasion/tests/test_invoice.py
index b121bfa1d034707a82156e6158203909b1665a91..7854680dc4c4b6455c38e29b4b050f4c9e919bb4 100644
--- a/registrasion/tests/test_invoice.py
+++ b/registrasion/tests/test_invoice.py
@@ -197,7 +197,7 @@ class InvoiceTestCase(RegistrationCartTestCase):
     def test_cannot_generate_blank_invoice(self):
         current_cart = TestingCartController.for_user(self.USER_1)
         with self.assertRaises(ValidationError):
-            invoice_1 = TestingInvoiceController.for_cart(current_cart.cart)
+            TestingInvoiceController.for_cart(current_cart.cart)
 
     def test_cannot_pay_implicitly_void_invoice(self):
         cart = TestingCartController.for_user(self.USER_1)
@@ -210,8 +210,6 @@ class InvoiceTestCase(RegistrationCartTestCase):
         with self.assertRaises(ValidationError):
             invoice.validate_allowed_to_pay()
 
-
-
     # TODO: test partially paid invoice cannot be void until payments
     # are refunded