ListProxy with EventProxy in caused FileNotFoundError: [Errno 2] No such file or directory problem

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2021-02-19.08:55:42.000>
labels = ['type-bug']
title = 'ListProxy with EventProxy in caused FileNotFoundError: [Errno 2] No such file or directory problem'
updated_at = <Date 2021-10-18.22:09:59.416>
user = 'https://github.com/show-me-code'

bugs.python.org fields:

activity = <Date 2021-10-18.22:09:59.416>
actor = 'iritkatriel'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = []
creation = <Date 2021-02-19.08:55:42.000>
creator = 'show-me-code'
dependencies = []
files = ['49819', '49820']
hgrepos = []
issue_num = 43264
keywords = []
message_count = 2.0
messages = ['387295', '404231']
nosy_count = 2.0
nosy_names = ['iritkatriel', 'show-me-code']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue43264'
versions = ['Python 3.6']