[ mailman-Bugs-1908112 ] Uncaught runner exception: iteration over non-sequence

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Bugs item #1908112, was opened at 2008-03-05 17:02
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Category: None
Group: 2.1 (stable)
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Sebastian Hagedorn (shagedorn)
Assigned to: Nobody/Anonymous (nobody)
Summary: Uncaught runner exception: iteration over non-sequence

Initial Comment:
I don't normally check /var/log/mailman/error as long as everything seems to be working, but today I noticed loads of errors like this one:

Mar 04 07:50:44 2008 (4711) SHUNTING: 1167220351.925714+8af35bc9b49ca21d542d7fac99bdb87a688619ef
Mar 04 07:50:44 2008 (4711) Uncaught runner exception: iteration over non-sequence
Mar 04 07:50:44 2008 (4711) Traceback (most recent call last):
  File "/usr/lib/mailman/Mailman/Queue/Runner.py", line 112, in _oneloop
    self._onefile(msg, msgdata)
  File "/usr/lib/mailman/Mailman/Queue/Runner.py", line 170, in _onefile
    keepqueued = self._dispose(mlist, msg, msgdata)
  File "/usr/lib/mailman/Mailman/Queue/IncomingRunner.py", line 130, in _dispose
    more = self._dopipeline(mlist, msg, msgdata, pipeline)
  File "/usr/lib/mailman/Mailman/Queue/IncomingRunner.py", line 153, in _dopipeline
    sys.modules[modname].process(mlist, msg, msgdata)
  File "/usr/lib/mailman/Mailman/Handlers/SpamDetect.py", line 111, in process
    g.flatten(p)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 101, in flatten
    self._write(msg)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 129, in _write
    self._dispatch(msg)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 155, in _dispatch
    meth(msg)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 226, in _handle_multipart
    g.flatten(part, unixfrom=False)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 101, in flatten
    self._write(msg)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 129, in _write
    self._dispatch(msg)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 155, in _dispatch
    meth(msg)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 293, in _handle_message
    g.flatten(msg.get_payload(0), unixfrom=False)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 101, in flatten
    self._write(msg)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 129, in _write
    self._dispatch(msg)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 155, in _dispatch
    meth(msg)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 226, in _handle_multipart
    g.flatten(part, unixfrom=False)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 101, in flatten
    self._write(msg)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 129, in _write
    self._dispatch(msg)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 155, in _dispatch
    meth(msg)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 273, in _handle_message_delivery_status
    g.flatten(part, unixfrom=False)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 101, in flatten
    self._write(msg)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 129, in _write
    self._dispatch(msg)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 155, in _dispatch
    meth(msg)
  File "/usr/lib/mailman/pythonlib/email/Generator.py", line 270, in _handle_message_delivery_status
    for part in msg.get_payload():
TypeError: iteration over non-sequence

I can provide more samples if necessary. I have searched the tracker for other reports like this, but haven't seen any ...

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