Multiprocessing resolving object as None

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2020-01-21.17:07:47.906>
labels = ['3.8', 'type-bug', 'library']
title = 'Multiprocessing resolving object as None'
updated_at = <Date 2020-04-06.02:45:54.867>
user = 'https://github.com/RDIL'

bugs.python.org fields:

activity = <Date 2020-04-06.02:45:54.867>
actor = 'Talley Lambert'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2020-01-21.17:07:47.906>
creator = 'rdil'
dependencies = []
files = []
hgrepos = []
issue_num = 39414
keywords = []
message_count = 4.0
messages = ['360407', '360409', '360411', '365837']
nosy_count = 5.0
nosy_names = ['pitrou', 'davin', 'corona10', 'rdil', 'Talley Lambert']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue39414'
versions = ['Python 3.8']