1 files changed, 2 insertions, 4 deletions
diff --git a/src/mailman/rules/approved.py b/src/mailman/rules/approved.py
index cb3b98915..a4ea1145e 100644
--- a/src/mailman/rules/approved.py
+++ b/src/mailman/rules/approved.py
@@ -20,15 +20,12 @@
 import re
 
 from email.iterators import typed_subpart_iterator
+from mailman import public
 from mailman.config import config
 from mailman.core.i18n import _
 from mailman.interfaces.rules import IRule
 from zope.interface import implementer
 
-__all__ = [
-    'Approved',
-    ]
-
 
 EMPTYSTRING = ''
 HEADERS = [
@@ -39,6 +36,7 @@ HEADERS = [
     ]
 
 
+@public
 @implementer(IRule)
 class Approved:
     """Look for moderator pre-approval."""