urllib.parse.quote uses safe='' as default

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2022-01-16.09:44:55.350>
labels = ['library', '3.9']
title = "urllib.parse.quote uses safe='' as default"
updated_at = <Date 2022-01-21.22:09:07.586>
user = 'https://github.com/watson21'

bugs.python.org fields:

activity = <Date 2022-01-21.22:09:07.586>
actor = 'terry.reedy'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2022-01-16.09:44:55.350>
creator = 'scratch'
dependencies = []
files = ['50563']
hgrepos = []
issue_num = 46397
keywords = []
message_count = 2.0
messages = ['410687', '411197']
nosy_count = 3.0
nosy_names = ['terry.reedy', 'orsenthil', 'scratch']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue46397'
versions = ['Python 3.9']