Traceback (most recent call last):
  File "/home/misc/checkout/svn/gajim/src/chat_control.py", line 678, in _on_request_voice_menuitem_activate
    gajim.connections[self.account].request_gc_voice('test')
  File "/home/misc/checkout/svn/gajim/src/common/connection.py", line 1223, in request_gc_voice
    x = common.dataforms.MultipleDataForm('submit')
  File "/home/misc/checkout/svn/gajim/src/common/dataforms.py", line 407, in __init__
    self.reported = DataRecord(extend = reported_tag)
  File "/home/misc/checkout/svn/gajim/src/common/dataforms.py", line 21, in __new__
    extend.__class__ = cls
TypeError: __class__ assignment: only for heap types