diff --git a/src/redturtle/volto/tests/test_blocks_linkintegrity.py b/src/redturtle/volto/tests/test_blocks_linkintegrity.py
index 579e85f..39a3f76 100644
--- a/src/redturtle/volto/tests/test_blocks_linkintegrity.py
+++ b/src/redturtle/volto/tests/test_blocks_linkintegrity.py
@@ -10,6 +10,7 @@
 
 import unittest
 
+
 HAS_PLONE_6 = getattr(
     import_module("Products.CMFPlone.factory"), "PLONE60MARKER", False
 )