suspicious.py sphinx extension access non-existing attribute.

[Carreau]

BPO	37057
Nosy	@Carreau
Superseder	bpo-36853: inconsistencies in docs builds (Sphinx 2)

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

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GitHub fields:

assignee = None
closed_at = <Date 2019-05-26.17:37:55.503>
created_at = <Date 2019-05-26.17:30:05.955>
labels = ['3.8', 'docs']
title = 'suspicious.py sphinx extension access non-existing attribute.'
updated_at = <Date 2019-05-26.17:50:11.653>
user = 'https://github.com/Carreau'

bugs.python.org fields:

activity = <Date 2019-05-26.17:50:11.653>
actor = 'SilentGhost'
assignee = 'docs@python'
closed = True
closed_date = <Date 2019-05-26.17:37:55.503>
closer = 'mbussonn'
components = ['Documentation']
creation = <Date 2019-05-26.17:30:05.955>
creator = 'mbussonn'
dependencies = []
files = []
hgrepos = []
issue_num = 37057
keywords = []
message_count = 3.0
messages = ['343569', '343571', '343572']
nosy_count = 3.0
nosy_names = ['SilentGhost', 'docs@python', 'mbussonn']
pr_nums = []
priority = 'normal'
resolution = 'duplicate'
stage = 'resolved'
status = 'closed'
superseder = '36853'
type = None
url = 'https://bugs.python.org/issue37057'
versions = ['Python 3.8']

[Carreau]

On a local branch with some modified docs

Traceback (most recent call last):
  File "/Users/bussonniermatthias/dev/cpython/Doc/venv/lib/python3.8/site-packages/sphinx/cmd/build.py", line 284, in build_main
    app.build(args.force_all, filenames)
  File "/Users/bussonniermatthias/dev/cpython/Doc/venv/lib/python3.8/site-packages/sphinx/application.py", line 337, in build
    self.builder.build_update()
  File "/Users/bussonniermatthias/dev/cpython/Doc/venv/lib/python3.8/site-packages/sphinx/builders/__init__.py", line 324, in build_update
    self.build(to_build,
  File "/Users/bussonniermatthias/dev/cpython/Doc/venv/lib/python3.8/site-packages/sphinx/builders/__init__.py", line 392, in build
    self.finish()
  File "/Users/bussonniermatthias/dev/cpython/Doc/tools/extensions/suspicious.py", line 118, in finish
    self.warn('Found %s/%s unused rules:' %
AttributeError: 'CheckSuspiciousMarkupBuilder' object has no attribute 'warn'

My guess is that it should be self.logger.warn, and not self.warn.

[SilentGhost]

This looks like a duplicate of bpo-36853. Do you happen to have sphinx 2 installed?

[Carreau]

Oh yeah, I do... and you are right this is duplicate.