--吉择--: 在输入pip命令查看的那一步报错，File "e:\python39\lib\site-packages\pip-22.1.2-py3.9.egg\pip\_vendor\rich\_lru_cache.py", line 13, in class LRUCache(OrderedDict[CacheKey, CacheValue]): TypeError: 'type' object is not subscriptable。qi请问怎么解决呢？