1 files changed, 1 insertions, 1 deletions

diff --git a/src/mailman/handlers/cook_headers.py b/src/mailman/handlers/cook_headers.py
index ed4c28c8c..5b015b51c 100644
--- a/src/mailman/handlers/cook_headers.py
+++ b/src/mailman/handlers/cook_headers.py
@@ -98,7 +98,7 @@ def process(mlist, msg, msgdata):
         # A convenience function, requires nested scopes.  pair is (name, addr)
         new = []
         d = {}
-        def add(pair):                              # flake8: noqa
+        def add(pair):                              # noqa
             lcaddr = pair[1].lower()
             if lcaddr in d:
                 return