broken authentication: _extract_data() got unexpected argument

2013-07-08 20:24:43,007 - leap.crypto.srpauth - DEBUG - Authentication preprocessing...
2013-07-08 20:24:43,010 - leap.crypto.srpauth - DEBUG - Starting authentication process...
2013-07-08 20:24:43,011 - leap.config.providerconfig - DEBUG - Going to verify SSL against /home/kali/.config/leap/providers/dev.bitmask.net/keys/ca/cacert.pem
2013-07-08 20:24:44,984 - leap.crypto.srpauth - DEBUG - Processing challenge...
2013-07-08 20:24:44,990 - leap.config.providerconfig - DEBUG - Going to verify SSL against /home/kali/.config/leap/providers/dev.bitmask.net/keys/ca/cacert.pem
2013-07-08 20:24:45,513 - leap.crypto.srpauth - ERROR - Error logging in [Failure instance: Traceback: : _extract_data() got an unexpected keyword argument 'username'
/usr/lib/python2.7/threading.py:781:__bootstrap
/usr/lib/python2.7/threading.py:808:__bootstrap_inner
/usr/lib/python2.7/threading.py:761:run
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(from redmine: created on 2013-07-08, closed on 2013-07-08)