from lib389.utils import (ds_is_older) is missing in

https://pagure.io/389-ds-base/blob/master/f/src/lib389/lib389/idm/account.py

users = UserAccounts(standalone, DEFAULT_SUFFIX)
for i in users.list(): i.dn
'uid=testuser,ou=People,dc=example,dc=com'
'uid=test_user_1000,ou=People,dc=example,dc=com'
'uid=test_user1,ou=People,dc=example,dc=com'

UserAccount(standalone,'uid=test_user1,ou=People,dc=example,dc=com').enroll_certificate('/etc/dirsrv/slapd-standalone1/user-test_user1.der')
*** NameError: name 'ds_is_older' is not defined

Regards

Anuj Borah