uuid constructor accept invalid strings (extra dash)

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2019-04-30.09:19:48.878>
labels = ['3.7', '3.8', 'type-bug', 'library', '3.9']
title = 'uuid constructor accept invalid strings (extra dash)'
updated_at = <Date 2019-08-05.10:21:04.013>
user = 'https://github.com/CedricCabessa'

bugs.python.org fields:

activity = <Date 2019-08-05.10:21:04.013>
actor = 'taleinat'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2019-04-30.09:19:48.878>
creator = 'C\xc3\xa9dric Cabessa'
dependencies = []
files = []
hgrepos = []
issue_num = 36757
keywords = []
message_count = 5.0
messages = ['341141', '341154', '341216', '341238', '349045']
nosy_count = 4.0
nosy_names = ['taleinat', 'josh.r', 'Windson Yang', 'C\xc3\xa9dric Cabessa']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue36757'
versions = ['Python 2.7', 'Python 3.7', 'Python 3.8', 'Python 3.9']