From 0bef4bb2e560187feb5c58d75f24291102f8e211 Mon Sep 17 00:00:00 2001
From: bwarsaw
Date: Thu, 11 Nov 1999 19:34:05 +0000
Subject: SafeDict.__init__(): default dictionary argument is optional.

---
 Mailman/Utils.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Mailman/Utils.py b/Mailman/Utils.py
index c238959d4..889ce3366 100644
--- a/Mailman/Utils.py
+++ b/Mailman/Utils.py
@@ -674,11 +674,12 @@ class SafeDict(UserDict):
 
     This is used in maketext so that editing templates is a bit more robust.
     """
-    def __init__(self, d):
+    def __init__(self, d=None):
         # optional initial dictionary is a Python 1.5.2-ism.  Do it this way
         # for portability
         UserDict.__init__(self)
-        self.update(d)
+        if d is not None:
+            self.update(d)
 
     def __getitem__(self, key):
         try:
-- 
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