Programmatic management of BytesWarning doesn't work for native triggers.

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2021-03-17.09:03:05.688>
labels = ['3.8', 'type-bug', 'library', '3.9', '3.10']
title = "Programmatic management of BytesWarning doesn't work for native triggers."
updated_at = <Date 2021-11-16.00:57:58.798>
user = 'https://github.com/masklinn'

bugs.python.org fields:

activity = <Date 2021-11-16.00:57:58.798>
actor = 'vstinner'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2021-03-17.09:03:05.688>
creator = 'xmorel'
dependencies = []
files = []
hgrepos = []
issue_num = 43526
keywords = []
message_count = 14.0
messages = ['388912', '388913', '388915', '389154', '399064', '399076', '399192', '399193', '399194', '399203', '406360', '406361', '406382', '406383']
nosy_count = 5.0
nosy_names = ['gregory.p.smith', 'vstinner', 'methane', 'xmorel', 'serhiy.storchaka']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue43526'
versions = ['Python 3.8', 'Python 3.9', 'Python 3.10']