urllib.request.urlopen fails when userinfo is present in URL

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2018-09-11.16:33:16.124>
labels = ['type-bug', 'library', '3.9', '3.10', '3.11']
title = 'urllib.request.urlopen fails when userinfo is present in URL'
updated_at = <Date 2021-12-10.16:43:46.799>
user = 'https://github.com/YtvwlD'

bugs.python.org fields:

activity = <Date 2021-12-10.16:43:46.799>
actor = 'iritkatriel'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2018-09-11.16:33:16.124>
creator = 'ytvwld'
dependencies = []
files = []
hgrepos = []
issue_num = 34628
keywords = []
message_count = 9.0
messages = ['325022', '325130', '325131', '327152', '329549', '329586', '329623', '333434', '334413']
nosy_count = 4.0
nosy_names = ['orsenthil', 'Windson Yang', 'xtreak', 'ytvwld']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue34628'
versions = ['Python 3.9', 'Python 3.10', 'Python 3.11']