Raise a Py3K warning when raise non-BaseException exceptions #46594

assignee = 'https://github.com/gvanrossum'
closed_at = <Date 2008-03-18.04:27:05.235>
created_at = <Date 2008-03-17.18:10:55.428>
labels = ['interpreter-core', 'type-bug', 'release-blocker']
title = 'Raise a Py3K warning when raise non-BaseException exceptions'
updated_at = <Date 2008-03-18.04:27:05.234>
user = 'https://github.com/brettcannon'

activity = <Date 2008-03-18.04:27:05.234>
actor = 'gvanrossum'
assignee = 'gvanrossum'
closed = True
closed_date = <Date 2008-03-18.04:27:05.235>
closer = 'gvanrossum'
components = ['Interpreter Core']
creation = <Date 2008-03-17.18:10:55.428>
creator = 'brett.cannon'
dependencies = []
files = ['9699', '9700']
hgrepos = []
issue_num = 2341
keywords = ['patch', '26backport']
message_count = 5.0
messages = ['63700', '63754', '63759', '63881', '63884']
nosy_count = 3.0
nosy_names = ['gvanrossum', 'brett.cannon', 'belopolsky']
pr_nums = []
priority = 'release blocker'
resolution = 'accepted'
stage = None
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue2341'
versions = ['Python 2.6']