ABC Recursion Error on isinstance() with less than recursion limit class hierarchy depth

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2017-01-10.04:18:47.408>
labels = ['type-bug', 'library', '3.9', '3.10', '3.11']
title = 'ABC Recursion Error on isinstance() with less than recursion limit class hierarchy depth'
updated_at = <Date 2021-12-11.23:00:45.493>
user = 'https://github.com/scopatz'

bugs.python.org fields:

activity = <Date 2021-12-11.23:00:45.493>
actor = 'serhiy.storchaka'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2017-01-10.04:18:47.408>
creator = 'scopatz'
dependencies = []
files = ['46236', '46251', '46252']
hgrepos = []
issue_num = 29221
keywords = []
message_count = 6.0
messages = ['285090', '285185', '285189', '285342', '407760', '408347']
nosy_count = 5.0
nosy_names = ['rhettinger', 'AstraLuma', 'serhiy.storchaka', 'scopatz', 'iritkatriel']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue29221'
versions = ['Python 3.9', 'Python 3.10', 'Python 3.11']