mock.patch with autospec does not consume self / cls argument

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2017-11-20.15:50:21.285>
labels = ['3.7', '3.8', 'type-bug', 'library', '3.9']
title = 'mock.patch with autospec does not consume self / cls argument'
updated_at = <Date 2019-10-28.20:46:16.247>
user = 'https://github.com/bclau'

bugs.python.org fields:

activity = <Date 2019-10-28.20:46:16.247>
actor = 'pconnell'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2017-11-20.15:50:21.285>
creator = 'cbelu'
dependencies = []
files = []
hgrepos = []
issue_num = 32092
keywords = ['patch']
message_count = 2.0
messages = ['306559', '306560']
nosy_count = 7.0
nosy_names = ['cjw296', 'michael.foord', 'pconnell', 'lisroach', 'mariocj89', 'cbelu', 'xtreak']
pr_nums = ['4476']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue32092'
versions = ['Python 3.7', 'Python 3.8', 'Python 3.9']