set() comparisons do not play well with others #47183

assignee = None
closed_at = <Date 2008-05-21.13:23:44.133>
created_at = <Date 2008-05-21.13:19:21.108>
labels = ['invalid']
title = 'set() comparisons do not play well with others'
updated_at = <Date 2008-05-21.13:23:43.992>
user = 'https://github.com/ncoghlan'

activity = <Date 2008-05-21.13:23:43.992>
actor = 'ncoghlan'
assignee = 'none'
closed = True
closed_date = <Date 2008-05-21.13:23:44.133>
closer = 'ncoghlan'
components = []
creation = <Date 2008-05-21.13:19:21.108>
creator = 'ncoghlan'
dependencies = []
files = []
hgrepos = []
issue_num = 2934
keywords = []
message_count = 2.0
messages = ['67152', '67153']
nosy_count = 1.0
nosy_names = ['ncoghlan']
pr_nums = []
priority = 'normal'
resolution = 'not a bug'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue2934'
versions = []