Comment 52 for bug 564034

The ibus 1.3.7-1ubuntu4 is still has this error

(ibus-daemon:26063): IBUS-CRITICAL **: _context_request_engine_cb: assertion `bus_input_context_has_focus (context)' failed
Traceback (most recent call last):
  File "/usr/share/ibus/ui/gtk/panel.py", line 545, in __im_menu_item_activate_cb
    focus_ic.set_engine(engine)
  File "/usr/lib/pymodules/python2.6/ibus/inputcontext.py", line 239, in set_engine
    return self.__context.SetEngine(engine.name)
  File "/usr/lib/pymodules/python2.6/dbus/proxies.py", line 140, in __call__
    **keywords)
  File "/usr/lib/pymodules/python2.6/dbus/connection.py", line 620, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.IBus.NoEngine: can not find engine with name chewing

the indicator patch occurs LP:658911 , a setting window flashes when ibus-chewing added into IBus which causes typing difficulty.