diff --git a/tests/behavioural/conftest.py b/tests/behavioural/conftest.py
index 598a48aa..10e1acb7 100644
--- a/tests/behavioural/conftest.py
+++ b/tests/behavioural/conftest.py
@@ -114,7 +114,7 @@ def prepared_schema_from_migrations_left(
         )
 
     """
-    logging.getLogger('alembic').setLevel(logging.CRITICAL)
+    logging.getLogger("alembic").setLevel(logging.CRITICAL)
     engine, script = prepare_schema_from_migrations(
         uri_left,
         alembic_config_left,