paranoia from Toby Dickenson

Author: Richard Jones

roundup/roundupdb.py

@@ -16,7 +16,7 @@
 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
 #
-# $Id: roundupdb.py,v 1.137 2008-01-08 20:56:23 richard Exp $
+# $Id: roundupdb.py,v 1.138 2008-01-08 20:58:31 richard Exp $
 
 """Extending hyperdb with types specific to issue-tracking.
 """
@@ -424,7 +424,8 @@ def send_message(self, nodeid, msgid, note, sendto, from_address=None,
                 # Assume messages are sorted by increasing message number here
                 if msgs[0] != nodeid:
                     inreplyto = messages.get(msgs[0], 'messageid')
-                    writer.addheader('In-Reply-To', inreplyto)
+                    if inreplyto:
+                        writer.addheader('In-Reply-To', inreplyto)
 
             # attach files
             if message_files: