diff --git a/tests/test_auto_delete_orphans.py b/tests/test_auto_delete_orphans.py
index db57bfd..fc7fd8d 100644
--- a/tests/test_auto_delete_orphans.py
+++ b/tests/test_auto_delete_orphans.py
@@ -37,7 +37,8 @@ def Tag(Base):
     return Tag
 
 
-@pytest.fixture(params=['entries', backref('entries', lazy='select')], ids=['backref_string', 'backref_with_keywords'])
+@pytest.fixture(params=['entries', backref('entries', lazy='select')],
+                ids=['backref_string', 'backref_with_keywords'])
 def Entry(Base, Tag, tagging_tbl, request):
     class Entry(Base):
         __tablename__ = 'entry'