*** Error in `python': double free or corruption (out): 0x00007ff5254d50d0 ***

GitHub fields:

assignee = None
closed_at = <Date 2021-09-09.23:11:14.876>
created_at = <Date 2018-03-16.06:59:49.998>
labels = ['type-crash']
title = "*** Error in `python': double free or corruption (out): 0x00007ff5254d50d0 ***"
updated_at = <Date 2021-09-09.23:11:14.875>
user = 'https://bugs.python.org/chenkai'

bugs.python.org fields:

activity = <Date 2021-09-09.23:11:14.875>
actor = 'iritkatriel'
assignee = 'none'
closed = True
closed_date = <Date 2021-09-09.23:11:14.876>
closer = 'iritkatriel'
components = []
creation = <Date 2018-03-16.06:59:49.998>
creator = 'chenkai'
dependencies = []
files = []
hgrepos = []
issue_num = 33085
keywords = []
message_count = 4.0
messages = ['313934', '325869', '336807', '401531']
nosy_count = 3.0
nosy_names = ['chenkai', 'xtreak', 'iritkatriel']
pr_nums = []
priority = 'normal'
resolution = 'out of date'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'crash'
url = 'https://bugs.python.org/issue33085'
versions = ['Python 3.6']