[Mailman-Users] Hit a bug too with 2.1.2

[mailist at orbisindonesia.com]

when try to remove member from the list via command line :

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Traceback (most recent call last):
  File "/usr/sbin/remove_members", line 186, in ?
    main()
  File "/usr/sbin/remove_members", line 176, in main
    admin_notif, userack)
  File "/var/lib/mailman/Mailman/MailList.py", line 944, in
ApprovedDeleteMember
    self.SendUnsubscribeAck(emailaddr, userlang)
  File "/var/lib/mailman/Mailman/Deliverer.py", line 87, in
SendUnsubscribeAck
    Utils.wrap(self.goodbye_msg), lang)
  File "/var/lib/mailman/Mailman/Message.py", line 206, in __init__
    errors='replace')
TypeError: __init__() got an unexpected keyword argument 'errors'
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Help...... :(