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-rw-r--r--Mailman/Message.py5
1 files changed, 3 insertions, 2 deletions
diff --git a/Mailman/Message.py b/Mailman/Message.py
index 9cc5798a2..2c736084b 100644
--- a/Mailman/Message.py
+++ b/Mailman/Message.py
@@ -87,9 +87,10 @@ class Message(mimelib.Message.Message, StringableMixin):
class UserNotification(Message):
"""Class for internally crafted messages."""
- def __init__(self, recip, sender, subject=None, text=''):
+ def __init__(self, recip, sender, subject=None, text=None):
Message.__init__(self)
- self.set_payload(text)
+ if text is not None:
+ self.set_payload(text)
if subject is None:
subject = '(no subject)'
self['Subject'] = subject