ElementTree.ParseError does not implement SyntaxError interface as expected

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2019-10-28.09:11:14.949>
labels = ['3.8', 'library']
title = 'ElementTree.ParseError does not implement SyntaxError interface as expected'
updated_at = <Date 2019-10-30.02:12:26.485>
user = 'https://github.com/jamercee'

bugs.python.org fields:

activity = <Date 2019-10-30.02:12:26.485>
actor = 'xtreak'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2019-10-28.09:11:14.949>
creator = 'jamercee'
dependencies = []
files = []
hgrepos = []
issue_num = 38611
keywords = []
message_count = 2.0
messages = ['355518', '355686']
nosy_count = 2.0
nosy_names = ['scoder', 'jamercee']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue38611'
versions = ['Python 3.8']