[Mailman-Users] TypeError: cannot concatenate 'str' and 'NoneType'objects

Mark Sapiro msapiro at value.net
Sun Oct 23 22:16:26 CEST 2005

Bernd Petrovitsch wrote:
>I found http://mail.python.org/pipermail/mailman-developers/2005-July/018161.html
>and did what is described there and it doesn't help anything.
>Any other idea?

Are you sure you didn't make a mistake or overlook something? Are you
sure you did the offending list?

If you forgot to do


in withlist, your change wouldn't be saved. If you misspelled
bounce_info, e.g.

m.bounce-info = {}

Python wouldn't complain. It would just create a new attribute with the
misspelled name.


bin/dumpdb lists/listname/config.pck and see what you get for

Mark Sapiro <msapiro at value.net>       The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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