Type annotations lost when using wraps by default

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2020-07-07.17:29:15.754>
labels = ['3.8', 'type-bug', 'library', '3.9', '3.10']
title = 'Type annotations lost when using wraps by default'
updated_at = <Date 2020-07-11.01:56:16.679>
user = 'https://github.com/david-caro'

bugs.python.org fields:

activity = <Date 2020-07-11.01:56:16.679>
actor = 'terry.reedy'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2020-07-07.17:29:15.754>
creator = 'David Caro'
dependencies = []
files = []
hgrepos = []
issue_num = 41231
keywords = ['patch']
message_count = 6.0
messages = ['373233', '373238', '373258', '373299', '373303', '373497']
nosy_count = 3.0
nosy_names = ['terry.reedy', 'Terry Davis', 'David Caro']
pr_nums = ['21392']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue41231'
versions = ['Python 3.8', 'Python 3.9', 'Python 3.10']