ValueError exception of tuple.index(x) gives imprecise error message

[Retro]

BPO	5495
Nosy	@vstinner, @benjaminp
Files	not_in_tuple.patch

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

Show more details

GitHub fields:

assignee = None
closed_at = <Date 2009-03-15.14:39:10.095>
created_at = <Date 2009-03-15.14:30:34.632>
labels = []
title = 'ValueError exception of tuple.index(x) gives imprecise error message'
updated_at = <Date 2009-03-15.14:39:10.086>
user = 'https://bugs.python.org/Retro'

bugs.python.org fields:

activity = <Date 2009-03-15.14:39:10.086>
actor = 'benjamin.peterson'
assignee = 'none'
closed = True
closed_date = <Date 2009-03-15.14:39:10.095>
closer = 'benjamin.peterson'
components = ['None']
creation = <Date 2009-03-15.14:30:34.632>
creator = 'Retro'
dependencies = []
files = ['13339']
hgrepos = []
issue_num = 5495
keywords = ['patch']
message_count = 3.0
messages = ['83633', '83634', '83635']
nosy_count = 3.0
nosy_names = ['vstinner', 'benjamin.peterson', 'Retro']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue5495'
versions = ['Python 3.1']

[Retro]

>>> t = (0, 1, 2, 3, 4, 5, 6, 7)
>>> t.index(8)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ValueError: tuple.index(x): x not in list

The error message "x not in list" should have been "x not in tuple".
Please fix the error message of the index method of the tuple type.

[vstinner]

Attached patch fixes the error message.

[benjaminp]

Fixed in r70385.