diff --git a/openedx/core/djangoapps/content/block_structure/tests/test_manager.py b/openedx/core/djangoapps/content/block_structure/tests/test_manager.py
index b76e4d30d2..6e0580b7e8 100644
--- a/openedx/core/djangoapps/content/block_structure/tests/test_manager.py
+++ b/openedx/core/djangoapps/content/block_structure/tests/test_manager.py
@@ -1,11 +1,10 @@
-# pylint: disable=attribute-defined-outside-init
 """
 Tests for manager.py
 """
 
+import pytest
 import ddt
 import pytest
-from django.core.cache import cache
 from django.test import TestCase
 from edx_toggles.toggles.testutils import override_waffle_switch