Build Failed!

29 Apr 2024 00:52:31 UTC
Unless all site previews are broken, this is a problem with the sphinx-conestack-theme package.
Configuration
{'html_theme': 'conestack'}
Output
======================================== stdout ========================================
Running Sphinx v7.3.7
making output directory... done
locale_dir /home/runner/work/sphinx-themes.org/sphinx-themes.org/sample-docs/locales/en/LC_MESSAGES does not exist

======================================== stderr ========================================

Traceback (most recent call last):
  File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/build/sphinx-conestack-theme/lib/python3.10/site-packages/sphinx/cmd/build.py", line 332, in build_main
    app = Sphinx(args.sourcedir, args.confdir, args.outputdir,
  File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/build/sphinx-conestack-theme/lib/python3.10/site-packages/sphinx/application.py", line 268, in __init__
    self._init_builder()
  File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/build/sphinx-conestack-theme/lib/python3.10/site-packages/sphinx/application.py", line 338, in _init_builder
    self.builder.init()
  File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/build/sphinx-conestack-theme/lib/python3.10/site-packages/sphinx/builders/html/__init__.py", line 228, in init
    self.init_templates()
  File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/build/sphinx-conestack-theme/lib/python3.10/site-packages/sphinx/builders/html/__init__.py", line 278, in init_templates
    self.theme = theme_factory.create(theme_name)
  File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/build/sphinx-conestack-theme/lib/python3.10/site-packages/sphinx/theming.py", line 243, in create
    entry_point_loader()
  File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/build/sphinx-conestack-theme/lib/python3.10/site-packages/sphinx/theming.py", line 205, in _load_theme_closure
    _config_post_init(app, app.config)
  File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/build/sphinx-conestack-theme/lib/python3.10/site-packages/sphinx/config.py", line 653, in check_confval_types
    default = opt.default
AttributeError: 'tuple' object has no attribute 'default'

Exception occurred:
  File "/home/runner/work/sphinx-themes.org/sphinx-themes.org/build/sphinx-conestack-theme/lib/python3.10/site-packages/sphinx/config.py", line 653, in check_confval_types
    default = opt.default
AttributeError: 'tuple' object has no attribute 'default'
The full traceback has been saved in /tmp/sphinx-err-i8le7skw.log, if you want to report the issue to the developers.
Please also report this if it was a user error, so that a better error message can be provided next time.
A bug report can be filed in the tracker at <https://github.com/sphinx-doc/sphinx/issues>. Thanks!