subprocess.Popen: Confusing documentation for restore_signals

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2018-03-02.17:31:25.802>
labels = ['library']
title = 'subprocess.Popen: Confusing documentation for restore_signals'
updated_at = <Date 2018-03-12.00:49:50.776>
user = 'https://bugs.python.org/ntrrgc'

bugs.python.org fields:

activity = <Date 2018-03-12.00:49:50.776>
actor = 'r.david.murray'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2018-03-02.17:31:25.802>
creator = 'ntrrgc'
dependencies = []
files = []
hgrepos = []
issue_num = 32985
keywords = []
message_count = 2.0
messages = ['313146', '313630']
nosy_count = 4.0
nosy_names = ['gregory.p.smith', 'giampaolo.rodola', 'r.david.murray', 'ntrrgc']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue32985'
versions = ['Python 3.6']