Most new registered domains has no updated time, Parse error about python-whois HOT 6 CLOSED

>>> import whois
>>> d = whois.query('edu.vlaanderen')
>>> print(d.__dict__)
{'name': 'edu.vlaanderen', 'tld': 'vlaanderen', 'registrar': 'Combell nv', 'registrant_country': 'BE', 'creation_date': datetime.datetime(2015, 2, 22, 9, 34, 48), 'expiration_date': datetime.datetime(2024, 2, 22, 9, 34, 48), 'last_updated': datetime.datetime(2023, 2, 22, 9, 35, 5), 'status': 'ok https://icann.org/epp#OK', 'statuses': ['autoRenewPeriod https://icann.org/epp#autoRenewPeriod', 'ok https://icann.org/epp#OK'], 'dnssec': False, 'name_servers': ['ns3.combell.net', 'ns4.combell.net'], 'registrant': 'Registrant State/Province:', 'emails': ['[email protected]']}

"creation_date": r"Creation Date:[ \t]*([^\n]*)",
"expiration_date": r"Registry Expiry Date:[ \t]*([^\n]*)",
"updated_date": r"Updated Date:[\t ]*([^\n]*)",

test domain: <<<<<<<<<< eth.vlaanderen >>>>>>>>>>>>>>>>>>>>
name               str               'eth.vlaanderen'
tld                str               'vlaanderen'
registrar          str               'NETIM'
registrant_country str               'CN'
creation_date      datetime.datetime 2023-03-08 17:06:28
expiration_date    datetime.datetime 2024-03-08 17:06:28
last_updated       NoneType          None
status             str               'ok https://icann.org/epp#OK'
statuses           list              ['addPeriod https://icann.org/epp#addPeriod', 'ok https://icann.org/epp#OK']
dnssec             bool              False
name_servers       list              ['ns1.dan.com', 'ns2.dan.com']
registrant         str               'Registrant State/Province:'
emails             list              ['[email protected]']