Lazy-create an empty annotations dict in all unannotated user classes and modules #88067

assignee = 'https://github.com/larryhastings'
closed_at = <Date 2021-04-30.16:27:36.976>
created_at = <Date 2021-04-21.06:44:01.810>
labels = ['interpreter-core', 'type-feature', '3.10', 'release-blocker']
title = 'Lazy-create an empty annotations dict in all unannotated user classes and modules'
updated_at = <Date 2021-04-30.23:27:35.179>
user = 'https://github.com/larryhastings'

activity = <Date 2021-04-30.23:27:35.179>
actor = 'erlendaasland'
assignee = 'larry'
closed = True
closed_date = <Date 2021-04-30.16:27:36.976>
closer = 'pablogsal'
components = ['Interpreter Core']
creation = <Date 2021-04-21.06:44:01.810>
creator = 'larry'
dependencies = []
files = []
hgrepos = []
issue_num = 43901
keywords = ['patch']
message_count = 39.0
messages = ['391490', '391491', '391495', '391542', '391555', '391556', '391558', '391562', '391572', '391762', '391781', '391802', '391809', '391810', '391812', '391815', '391817', '391819', '391820', '391824', '391825', '392157', '392162', '392373', '392374', '392449', '392450', '392452', '392453', '392454', '392455', '392457', '392458', '392461', '392469', '392471', '392476', '392516', '392542']
nosy_count = 8.0
nosy_names = ['gvanrossum', 'larry', 'eric.smith', 'Guido.van.Rossum', 'JelleZijlstra', 'pablogsal', 'erlendaasland', 'kokxxxxik']
pr_nums = ['25623', '25752', '25754']
priority = 'release blocker'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue43901'
versions = ['Python 3.10']