def remove_observer(self, observer, name=None, obj=None):
        observer = CFString(observer)
        if name is not None:
            name = CFString(name)
        if obj is not None:
            obj = CFString(obj)
        coref.CFNotificationCenterRemoveObserver(self, observer, name, obj)
        try:
            del self.callbacks[(unicode(observer), unicode(name))]
        except __HOLE__:
            pass
dataset/ETHPy150Open Skype4Py/Skype4Py/Skype4Py/api/darwin.py/CFDistributedNotificationCenter.remove_observer