Mocking a MagicMock with a function spec results in an AsyncMock

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2019-06-12.14:00:18.556>
labels = ['3.8', 'type-bug', 'library', '3.9']
title = 'Mocking a MagicMock with a function spec results in an AsyncMock'
updated_at = <Date 2021-04-11.17:20:48.974>
user = 'https://github.com/jeremycline'

bugs.python.org fields:

activity = <Date 2021-04-11.17:20:48.974>
actor = 'matthew.suozzo'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2019-06-12.14:00:18.556>
creator = 'jcline'
dependencies = []
files = []
hgrepos = []
issue_num = 37251
keywords = ['patch']
message_count = 11.0
messages = ['345358', '345377', '345399', '345704', '346091', '346150', '346583', '351385', '351621', '351644', '390689']
nosy_count = 7.0
nosy_names = ['lisroach', 'hroncok', 'mariocj89', 'miss-islington', 'xtreak', 'jcline', 'matthew.suozzo']
pr_nums = ['14117', '15830', '15837', '25347']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue37251'
versions = ['Python 3.8', 'Python 3.9']