报错 dmPython.DatabaseError 会导致无法被处理随后被封装成 SystemError 完全丢失错误信息

SystemError
isinstance(e, DBAPIError)=False
dmPython.DatabaseError: [CODE:-2501]用户名或密码错误

The above exception was the direct cause of the following exception:
  ...
  File "C:\Users\zhouerliang\AppData\Local\miniconda3\envs\dtwf\lib\site-packages\sqlalchemy\pool\base.py", line 680, in __connect
    self.dbapi_connection = connection = pool._invoke_creator(self)
  File "C:\Users\zhouerliang\AppData\Local\miniconda3\envs\dtwf\lib\site-packages\sqlalchemy\engine\create.py", line 578, in connect
    return dialect.connect(*cargs, **cparams)
  File "C:\Users\zhouerliang\AppData\Local\miniconda3\envs\dtwf\lib\site-packages\sqlalchemy_dm\dmPython.py", line 159, in connect
    conn = self.dbapi.connect(*cargs, **cparams)
SystemError: <class 'dmPython.Connection'> returned a result with an error set