Description of problem:

ibus crashed and can not using pinyin input method anymore. After restart ibus, it works again.

Version-Release number of selected component (if applicable):

ibus-1.2.0.20091024-1.fc12.i686
ibus-gtk-1.2.0.20091024-1.fc12.i686
ibus-pinyin-1.2.0.20090915-1.fc12.noarch


How reproducible:

Have no idea..happened randomly

Steps to Reproduce:
1.
2.
3.
  
Actual results:


Expected results:
things run smoothly

Additional info:

UUID: 08997608
architecture: i686
cmdline: python /usr/share/ibus/ui/gtk/main.py 
component: ibus
executable: /usr/share/ibus/ui/gtk/main.py
kernel: 2.6.31.5-127.fc12.i686
package: ibus-1.2.0.20091024-1.fc12
release: Fedora release 12 (Constantine)
uuid: 08997608

backtrace
-----
Summary: TB08997608 connection.py:630:call_blocking:DBusException: org.freedesktop.IBus.NoEngine: can not find engine with name pinyin

Traceback (most recent call last):
  File "/usr/share/ibus/ui/gtk/panel.py", line 425, in __im_menu_item_activate_cb
    self.__focus_ic.set_engine(engine)
  File "/usr/lib/python2.6/site-packages/ibus/inputcontext.py", line 238, in set_engine
    return self.__context.SetEngine(engine.name)
  File "/usr/lib/python2.6/site-packages/dbus/proxies.py", line 140, in __call__
    **keywords)
  File "/usr/lib/python2.6/site-packages/dbus/connection.py", line 630, in call_blocking
    message, timeout)
DBusException: org.freedesktop.IBus.NoEngine: can not find engine with name pinyin

Local variables in innermost frame:
byte_arrays: False
self: <dbus.connection.Connection object at 0x922256c>
args: (dbus.String(u'pinyin'),)
utf8_strings: False
bus_name: org.freedesktop.IBus
get_args_opts: {'byte_arrays': False, 'utf8_strings': False}
object_path: /org/freedesktop/IBus/InputContext_706
timeout: -1.0
signature: None
dbus_interface: None
message: <dbus.lowlevel.MethodCallMessage object at 0x9167ee0>
method: SetEngine