python - Django Oracle connection as SYS should be as SYSDBA or SYSOPER -

i'm trying use oracle database django. oracle db active , can connect sqldeveloper. cannot connect django oracle db. got error:

django.db.utils.databaseerror: ora-28009: connection sys should sysdba or sysoper 

i use conntection type = basic, role = sysdba in sqldeveloper. give parameters in django?

my current setting.py parameters:

databases = {     'default': {         'engine': 'django.db.backends.oracle',         'name': 'payman',         'user': 'sys',         'password': 'ssys',         'host': '172.55.79.9',         'port': '1521',     } }