1 files changed, 4 insertions, 7 deletions

diff --git a/src/mailman/commands/cli_lists.py b/src/mailman/commands/cli_lists.py
index 17d4bc375..cf72c51a8 100644
--- a/src/mailman/commands/cli_lists.py
+++ b/src/mailman/commands/cli_lists.py
@@ -28,7 +28,7 @@ __all__ = [
 
 
 from zope.component import getUtility
-from zope.interface import implements
+from zope.interface import implementer
 
 from mailman.app.lifecycle import create_list, remove_list
 from mailman.core.constants import system_preferences
@@ -49,11 +49,10 @@ COMMASPACE = ', '
 
 
 
+@implementer(ICLISubCommand)
 class Lists:
     """List all mailing lists"""
 
-    implements(ICLISubCommand)
-
     name = 'lists'
 
     def add(self, parser, command_parser):
@@ -125,11 +124,10 @@ class Lists:
 
 
 
+@implementer(ICLISubCommand)
 class Create:
     """Create a mailing list"""
 
-    implements(ICLISubCommand)
-
     name = 'create'
 
     def add(self, parser, command_parser):
@@ -242,11 +240,10 @@ class Create:
 
 
 
+@implementer(ICLISubCommand)
 class Remove:
     """Remove a mailing list"""
 
-    implements(ICLISubCommand)
-
     name = 'remove'
 
     def add(self, parser, command_parser):