YASS

When placing a call (by pressing Enter or "Dial" buttom) this error appears:

/usr/lib/python2.5/threading.py:735: RuntimeWarning: tp_compare didn't return -1 or -2 for exception
  return _active[_get_ident()]
Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/yass/gui/main_c.py", line 130, in _popup_callFriend
    self.core.make_call(buddy.uri)
  File "/usr/lib/python2.5/site-packages/yass/core/core.py", line 202, in make_call
    call = self.acc.make_call(dsturi,cb=yass_call_cb())
  File "/usr/lib/python2.5/site-packages/pjsua.py", line 1186, in make_call
    call.attach_to_id(cid)
  File "/usr/lib/python2.5/site-packages/pjsua.py", line 1463, in attach_to_id
    lck = self._lib().auto_lock()
  File "/usr/lib/python2.5/site-packages/pjsua.py", line 2600, in auto_lock
    return _LibMutex(self._lock)
  File "/usr/lib/python2.5/site-packages/pjsua.py", line 2016, in __init__
    self._lck.acquire()
  File "/usr/lib/python2.5/threading.py", line 95, in acquire
    me = currentThread()
  File "/usr/lib/python2.5/threading.py", line 735, in currentThread
    return _active[_get_ident()]
  File "/usr/lib/python2.5/site-packages/pjsua.py", line 2754, in _cb_on_call_state
    _lib._cb_on_call_state(call_id)
  File "/usr/lib/python2.5/site-packages/pjsua.py", line 2656, in _cb_on_call_state
    call._cb.on_state()
  File "/usr/lib/python2.5/site-packages/yass/core/callback/call_cb.py", line 50, in on_state
    self.core.cb.callstate(call_state)
  File "/usr/lib/python2.5/site-packages/yass/core/core_callbacks.py", line 50, in callstate
    self._callstate(*args, **kwargs)
  File "/usr/lib/python2.5/site-packages/yass/gui/main_c.py", line 166, in call_state_cb
    self.window.ui.actionCall.setEnabled(False)
AttributeError: 'Ui_YassMainWindow' object has no attribute 'actionCall'

However the call is performed.