dango connect to `AWS QLDB` dependency issue

Hello,

I'm trying perform connect to AWS QLDB using Django project However, I get an issue, once I add the following code from pyqldb.driver.qldb_driver import QldbDriver

I get the issue ImportError: cannot import name 'Enum' from 'amazon.ion.util' (/usr/local/lib/python3.9...)

Appreciate any help.