AttributeError from @property inadvertantly flows into __getattr__

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2021-12-05.11:02:26.538>
labels = ['type-bug', '3.9', '3.10', '3.11']
title = 'AttributeError from @property inadvertantly flows into __getattr__'
updated_at = <Date 2021-12-12.19:45:16.374>
user = 'https://bugs.python.org/koreno'

bugs.python.org fields:

activity = <Date 2021-12-12.19:45:16.374>
actor = 'AlexWaygood'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = []
creation = <Date 2021-12-05.11:02:26.538>
creator = 'koreno'
dependencies = []
files = []
hgrepos = []
issue_num = 45985
keywords = []
message_count = 1.0
messages = ['407701']
nosy_count = 2.0
nosy_names = ['AlexWaygood', 'koreno']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue45985'
versions = ['Python 3.9', 'Python 3.10', 'Python 3.11']