inspect.signature(bytes.hex) raises ValueError "builtin has invalid signature"

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2021-01-29.21:00:52.553>
labels = ['type-feature', 'library', '3.10']
title = 'inspect.signature(bytes.hex) raises ValueError "builtin has invalid signature"'
updated_at = <Date 2021-01-29.21:00:52.553>
user = 'https://github.com/verhovsky'

bugs.python.org fields:

activity = <Date 2021-01-29.21:00:52.553>
actor = 'boris'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2021-01-29.21:00:52.553>
creator = 'boris'
dependencies = []
files = []
hgrepos = []
issue_num = 43067
keywords = []
message_count = 1.0
messages = ['385940']
nosy_count = 1.0
nosy_names = ['boris']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue43067'
versions = ['Python 3.10']