pickle docs are wrong about nested classes #91362

assignee = None
closed_at = None
created_at = <Date 2022-04-03.15:10:59.776>
labels = ['3.11', 'type-bug', '3.9', '3.10', 'docs']
title = 'pickle docs are wrong about nested classes'
updated_at = <Date 2022-04-04.16:30:12.057>
user = 'https://github.com/JelleZijlstra'

activity = <Date 2022-04-04.16:30:12.057>
actor = 'maggyero'
assignee = 'docs@python'
closed = False
closed_date = None
closer = None
components = ['Documentation']
creation = <Date 2022-04-03.15:10:59.776>
creator = 'JelleZijlstra'
dependencies = []
files = []
hgrepos = []
issue_num = 47206
keywords = []
message_count = 1.0
messages = ['416625']
nosy_count = 4.0
nosy_names = ['alexandre.vassalotti', 'docs@python', 'JelleZijlstra', 'maggyero']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue47206'
versions = ['Python 3.9', 'Python 3.10', 'Python 3.11']