Thread starvation with threading.Condition

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2022-02-21.02:47:19.547>
labels = ['type-bug', 'library', '3.10']
title = 'Thread starvation with threading.Condition'
updated_at = <Date 2022-02-21.03:24:41.502>
user = 'https://github.com/msg555'

bugs.python.org fields:

activity = <Date 2022-02-21.03:24:41.502>
actor = 'tim.peters'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2022-02-21.02:47:19.547>
creator = 'msg555'
dependencies = []
files = []
hgrepos = []
issue_num = 46812
keywords = []
message_count = 2.0
messages = ['413629', '413630']
nosy_count = 2.0
nosy_names = ['tim.peters', 'msg555']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue46812'
versions = ['Python 3.10']