1 files changed, 2 insertions, 4 deletions

diff --git a/src/mailman/rules/loop.py b/src/mailman/rules/loop.py
index 280939a74..0f8047e76 100644
--- a/src/mailman/rules/loop.py
+++ b/src/mailman/rules/loop.py
@@ -17,15 +17,13 @@
 
 """Look for a posting loop."""
 
+from mailman import public
 from mailman.core.i18n import _
 from mailman.interfaces.rules import IRule
 from zope.interface import implementer
 
-__all__ = [
-    'Loop',
-    ]
-
 
+@public
 @implementer(IRule)
 class Loop:
     """Look for a posting loop."""