Truncated error message of original function while multiprocessing or multithreading

GitHub fields:

assignee = 'https://github.com/akulakov'
closed_at = None
created_at = <Date 2021-06-10.12:27:15.886>
labels = ['type-bug', 'library', '3.9', '3.10', '3.11']
title = 'Truncated error message of original function while multiprocessing or multithreading'
updated_at = <Date 2021-12-08.21:03:19.407>
user = 'https://bugs.python.org/mrshanth'

bugs.python.org fields:

activity = <Date 2021-12-08.21:03:19.407>
actor = 'andrei.avk'
assignee = 'andrei.avk'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2021-06-10.12:27:15.886>
creator = 'mrshanth'
dependencies = []
files = []
hgrepos = []
issue_num = 44377
keywords = []
message_count = 2.0
messages = ['395529', '408044']
nosy_count = 2.0
nosy_names = ['andrei.avk', 'mrshanth']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue44377'
versions = ['Python 3.9', 'Python 3.10', 'Python 3.11']