hamster integration plugins crash when start a task

After configuring the hamster integration plugin I try to start a task, using the hasmter icon, the program crash with the following traceback.

Traceback (most recent call last):
  File "/usr/share/gtg/GTG/plugins/hamster/hamster.py", line 244, in browser_cb
    self.sendTask(plugin_api.get_requester().get_task(task_id))
  File "/usr/share/gtg/GTG/plugins/hamster/hamster.py", line 98, in sendTask
    hamster_id=self.hamster.AddFact(activity, tag_str, 0, 0, category, description)
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
DBusException: org.freedesktop.DBus.Python.TypeError: Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/dbus/service.py", line 707, in _message_cb
    retval = candidate_method(self, *args, **keywords)
TypeError: AddFact() takes at most 5 arguments (7 given)

I'm usging Debian SID, with the following software verions.

nueces@flatty:~$ apt-cache policy hamster-applet
hamster-applet:
  Installed: 2.91.3+git20120514.b9fec3e1-1
  Candidate: 2.91.3+git20120514.b9fec3e1-1
  Version table:
 *** 2.91.3+git20120514.b9fec3e1-1 0
        500 http://ftp.debian.org/debian/ sid/main amd64 Packages
        100 /var/lib/dpkg/status

nueces@flatty:~$ apt-cache policy gtg
gtg:
  Installed: 0.2.9-1
  Candidate: 0.2.9-1
  Version table:
     0.3-1 0
          1 http://ftp.debian.org/debian/ experimental/main amd64 Packages
 *** 0.2.9-1 0
        500 http://ftp.debian.org/debian/ sid/main amd64 Packages
        100 /var/lib/dpkg/status

I did un upgrate to use the 0.3-1 from experimental, but i get the same error with a similar traceback

Traceback (most recent call last):
  File "/usr/share/gtg/GTG/plugins/hamster/hamster.py", line 264, in browser_cb
    self.sendTask(plugin_api.get_requester().get_task(task_id))
  File "/usr/share/gtg/GTG/plugins/hamster/hamster.py", line 109, in sendTask
    category, description)
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
DBusException: org.freedesktop.DBus.Python.TypeError: Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/dbus/service.py", line 707, in _message_cb
    retval = candidate_method(self, *args, **keywords)
TypeError: AddFact() takes at most 5 arguments (7 given)