def __init__(self, group=None, target=None, name=None, callbacks=[],
                 args=(), kwargs={}, Verbose=None):
        """
        :callbacks: list: callable objects to send the thread result to.
        For other arguments, see threading.Thread documentation.
        """
        self.target = target
        self.callbacks = callbacks
        threading.Thread.__init__(self, group, target, name, args, kwargs, Verbose)
        self._return = None

        :callbacks: list: callable objects to send the thread result to.
        For other arguments, see threading.Thread documentation.
        
player_cache.py