Fix quality issues

openedx/core/djangoapps/catalog/tests/test_utils.py

@@ -2,7 +2,6 @@
 import uuid
 import copy
 
-import ddt
 from django.test import TestCase
 import mock
 from opaque_keys.edx.keys import CourseKey

openedx/core/djangoapps/catalog/utils.py

@@ -1,6 +1,4 @@
 """Helper functions for working with the catalog service."""
-from urlparse import urlparse
-
 from django.conf import settings
 from django.contrib.auth.models import User
 from edx_rest_api_client.client import EdxRestApiClient