SimpleCookie fails to parse any cookie if an entry has whitespace in the name

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2017-09-13.18:46:23.437>
labels = ['type-bug', 'library']
title = 'SimpleCookie fails to parse any cookie if an entry has whitespace in the name'
updated_at = <Date 2019-11-29.06:58:01.169>
user = 'https://bugs.python.org/AdamDavis'

bugs.python.org fields:

activity = <Date 2019-11-29.06:58:01.169>
actor = 'Joel Rosdahl'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2017-09-13.18:46:23.437>
creator = 'Adam Davis'
dependencies = []
files = []
hgrepos = []
issue_num = 31456
keywords = []
message_count = 5.0
messages = ['302105', '304102', '304104', '334414', '334472']
nosy_count = 5.0
nosy_names = ['martin.panter', 'Adam Davis', 'infinitewarp', 'remi.lapeyre', 'Joel Rosdahl']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue31456'
versions = ['Python 3.6']