Error copying an instance of a subclass of OrderedDict

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2020-09-09.10:09:46.096>
labels = ['type-feature', 'library', '3.10']
title = 'Error copying an instance of a subclass of OrderedDict'
updated_at = <Date 2020-09-09.17:41:08.906>
user = 'https://github.com/erezinman'

bugs.python.org fields:

activity = <Date 2020-09-09.17:41:08.906>
actor = 'serhiy.storchaka'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2020-09-09.10:09:46.096>
creator = 'erezinman'
dependencies = []
files = []
hgrepos = []
issue_num = 41751
keywords = []
message_count = 10.0
messages = ['376627', '376628', '376630', '376631', '376636', '376637', '376644', '376647', '376648', '376650']
nosy_count = 4.0
nosy_names = ['rhettinger', 'eric.snow', 'serhiy.storchaka', 'erezinman']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue41751'
versions = ['Python 3.10']