get_lock() method is not present for Values created using multiprocessing.Manager()

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2019-01-19.21:50:32.910>
labels = ['3.7', 'library', 'docs']
title = 'get_lock() method is not present for Values created using multiprocessing.Manager()'
updated_at = <Date 2020-08-15.01:55:10.127>
user = 'https://bugs.python.org/LorenzoPersichetti'

bugs.python.org fields:

activity = <Date 2020-08-15.01:55:10.127>
actor = 'ned.deily'
assignee = 'docs@python'
closed = False
closed_date = None
closer = None
components = ['Documentation', 'Library (Lib)']
creation = <Date 2019-01-19.21:50:32.910>
creator = 'Lorenzo Persichetti'
dependencies = []
files = []
hgrepos = []
issue_num = 35786
keywords = []
message_count = 6.0
messages = ['334070', '334106', '349155', '349156', '349191', '373174']
nosy_count = 11.0
nosy_names = ['paul.moore', 'pitrou', 'tim.golden', 'docs@python', 'zach.ware', 'nemeskeyd', 'josh.r', 'davin', 'Lorenzo Persichetti', 'Jeffrey.Kintscher', 'IanBertolacci']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue35786'
versions = ['Python 3.6', 'Python 3.7']