Python 操作 Oracle 报错 ORA-12715，但 NLS 已经设置过了

一些用了很久的脚本需要迁移到 windows server 2012 R2，但运行操作 Oracle 时候都会报错 ORA-12715，网上搜到的解释都指向 NLS_LANG

不过我检查了一下这不配置过了吗

SIMPLIFIED CHINESE_CHINA.ZHS16GBK

另外这台机器上的 navicat 访问 Oracle 是正常的，sublime 和 jupyter notebook 会报错

Error while trying to retrieve text for error ORA-12715
(Background on this error at: https://sqlalche.me/e/14/4xp6)
Traceback (most recent call last):
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlalchemy\engine\base.py", line 3212, in _wrap_pool_connect
    return fn()
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlalchemy\pool\base.py", line 307, in connect
    return _ConnectionFairy._checkout(self)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlalchemy\pool\base.py", line 767, in _checkout
    fairy = _ConnectionRecord.checkout(pool)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlalchemy\pool\base.py", line 425, in checkout
    rec = pool._do_get()
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlalchemy\pool\impl.py", line 146, in _do_get
    self._dec_overflow()
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlalchemy\util\langhelpers.py", line 72, in __exit__
    with_traceback=exc_tb,
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlalchemy\util\compat.py", line 207, in raise_
    raise exception
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlalchemy\pool\impl.py", line 143, in _do_get
    return self._create_connection()
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlalchemy\pool\base.py", line 253, in _create_connection
    return _ConnectionRecord(self)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlalchemy\pool\base.py", line 368, in __init__
    self.__connect()
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlalchemy\pool\base.py", line 611, in __connect
    pool.logger.debug("Error on connect(): %s", e)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlalchemy\util\langhelpers.py", line 72, in __exit__
    with_traceback=exc_tb,
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlalchemy\util\compat.py", line 207, in raise_
    raise exception
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlalchemy\pool\base.py", line 605, in __connect
    connection = pool._invoke_creator(self)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlalchemy\engine\create.py", line 578, in connect
    return dialect.connect(*cargs, **cparams)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlalchemy\engine\default.py", line 584, in connect
    return self.dbapi.connect(*cargs, **cparams)