1 files changed, 7 insertions, 11 deletions

diff --git a/src/mailman/handlers/cook_headers.py b/src/mailman/handlers/cook_headers.py
index e49c2fa52..ed4c28c8c 100644
--- a/src/mailman/handlers/cook_headers.py
+++ b/src/mailman/handlers/cook_headers.py
@@ -17,15 +17,11 @@
 
 """Cook a message's headers."""
 
-__all__ = [
-    'CookHeaders',
-    ]
-
-
 import re
 
 from email.header import Header
 from email.utils import parseaddr, formataddr, getaddresses
+from mailman import public
 from mailman.core.i18n import _
 from mailman.interfaces.handler import IHandler
 from mailman.interfaces.mailinglist import Personalization, ReplyToMunging
@@ -38,7 +34,7 @@ MAXLINELEN = 78
 NONASCII = re.compile('[^\s!-~]')
 
 
-
+@public
 def uheader(mlist, s, header_name=None, continuation_ws='\t', maxlinelen=None):
     """Get the charset to encode the string in.
 
@@ -58,7 +54,6 @@ def uheader(mlist, s, header_name=None, continuation_ws='\t', maxlinelen=None):
     return Header(s, charset, maxlinelen, header_name, continuation_ws)
 
 
-
 def process(mlist, msg, msgdata):
     """Process the headers of the message."""
     # Set the "X-Ack: no" header if noack flag is set.
@@ -103,7 +98,7 @@ def process(mlist, msg, msgdata):
         # A convenience function, requires nested scopes.  pair is (name, addr)
         new = []
         d = {}
-        def add(pair):
+        def add(pair):                              # flake8: noqa
             lcaddr = pair[1].lower()
             if lcaddr in d:
                 return
@@ -143,8 +138,9 @@ def process(mlist, msg, msgdata):
         # Also skip Cc if this is an anonymous list as list posting address
         # is already in From and Reply-To in this case.
         if (mlist.personalize is Personalization.full and
-            mlist.reply_goes_to_list is not ReplyToMunging.point_to_list and
-            not mlist.anonymous_list):
+                mlist.reply_goes_to_list is not
+                    ReplyToMunging.point_to_list and
+                not mlist.anonymous_list):
             # Watch out for existing Cc headers, merge, and remove dups.  Note
             # that RFC 2822 says only zero or one Cc header is allowed.
             new = []
@@ -157,7 +153,7 @@ def process(mlist, msg, msgdata):
             msg['Cc'] = COMMASPACE.join([formataddr(pair) for pair in new])
 
 
-
+@public
 @implementer(IHandler)
 class CookHeaders:
     """Modify message headers."""