formatting (#91)

Co-authored-by: Bram Kaashoek <b.kaashoek@labdigital.nl>

Author: BramKaashoek

src/commercetools/testing/stores.py

@@ -1,7 +1,7 @@
+import copy
 import datetime
 import typing
 import uuid
-import copy
 
 from commercetools import schemas, types
 from commercetools.testing.abstract import BaseModel, ServiceBackend