New-style classes aren't all that new anymore

src/Products/ZCatalog/tests/test_brains.py

@@ -98,7 +98,7 @@ class ConflictingCatalog(DummyCatalog):
         raise ConflictError
 
 
-class BrainsTestBase:
+class BrainsTestBase(object):
 
     _old_flag = None