http.client should be "runnable" like http.server

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2019-09-16.22:02:08.316>
labels = ['type-feature', 'library']
title = 'http.client should be "runnable" like http.server'
updated_at = <Date 2021-06-17.19:13:38.224>
user = 'https://bugs.python.org/WillBoyce'

bugs.python.org fields:

activity = <Date 2021-06-17.19:13:38.224>
actor = 'jaswdr'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2019-09-16.22:02:08.316>
creator = 'Will Boyce'
dependencies = []
files = []
hgrepos = []
issue_num = 38193
keywords = ['patch']
message_count = 1.0
messages = ['352586']
nosy_count = 2.0
nosy_names = ['Will Boyce', 'jaswdr']
pr_nums = ['26775']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue38193'
versions = []