put task to task queue

def put_task(self, task):
        '''put task to task queue'''
        _schedule = task.get('schedule', self.default_schedule)
        self.projects[task['project']].task_queue.put(
            task['taskid'],
            priority=_schedule.get('priority', self.default_schedule['priority']),
            exetime=_schedule.get('exetime', self.default_schedule['exetime'])
        )