From 658fad42b04420962e6ac478247411ee77483d93 Mon Sep 17 00:00:00 2001
From: Barry Warsaw
Date: Wed, 25 Apr 2012 22:08:22 -0400
Subject: General code cleanup.

 - Add explicit dependency on zope.event in setup.py.
 - Use Python 3 compatible syntax for specifying that a class implements an
   interface, i.e. the @implementer class decorator.
 - print_function futures.
 - Whitespace normalization.
---
 src/mailman/handlers/avoid_duplicates.py | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

(limited to 'src/mailman/handlers/avoid_duplicates.py')

diff --git a/src/mailman/handlers/avoid_duplicates.py b/src/mailman/handlers/avoid_duplicates.py
index ffbc80c85..de1939822 100644
--- a/src/mailman/handlers/avoid_duplicates.py
+++ b/src/mailman/handlers/avoid_duplicates.py
@@ -23,7 +23,7 @@ has already received a copy, we either drop the message, add a duplicate
 warning header, or pass it through, depending on the user's preferences.
 """
 
-from __future__ import absolute_import, unicode_literals
+from __future__ import absolute_import, print_function, unicode_literals
 
 __metaclass__ = type
 __all__ = [
@@ -32,7 +32,7 @@ __all__ = [
 
 
 from email.utils import getaddresses, formataddr
-from zope.interface import implements
+from zope.interface import implementer
 
 from mailman.core.i18n import _
 from mailman.interfaces.handler import IHandler
@@ -42,11 +42,10 @@ COMMASPACE = ', '
 
 
 
+@implementer(IHandler)
 class AvoidDuplicates:
     """If the user wishes it, do not send duplicates of the same message."""
 
-    implements(IHandler)
-
     name = 'avoid-duplicates'
     description = _('Suppress some duplicates of the same message.')
 
-- 
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