urllib.parse.urljoin is broken in python 3.5

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Description

assignee = None
closed_at = None
created_at = <Date 2015-10-14.11:49:00.323>
labels = ['type-bug', 'library']
title = 'urllib.parse.urljoin is broken in python 3.5'
updated_at = <Date 2021-12-02.11:20:59.906>
user = 'https://bugs.python.org/PavelIvanov'

activity = <Date 2021-12-02.11:20:59.906>
actor = 'vstinner'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2015-10-14.11:49:00.323>
creator = 'Pavel Ivanov'
dependencies = []
files = []
hgrepos = []
issue_num = 25403
keywords = ['3.5regression']
message_count = 5.0
messages = ['252986', '253031', '253032', '253067', '407502']
nosy_count = 8.0
nosy_names = ['orsenthil', 'ezio.melotti', 'berker.peksag', 'martin.panter', 'kilowu', 'Pavel Ivanov', 'xtreak', 'iritkatriel']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue25403'
versions = ['Python 3.5', 'Python 3.6']

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