[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

ecommerce/tasks.py

@@ -5,6 +5,7 @@
 
 from django.conf import settings
 from django.db import transaction
+
 from ecommerce.api import clear_and_delete_baskets
 from ecommerce.models import Basket
 from mitxpro.celery import app