Seit einigen Tagen schlagen die ReadTheDocs-Builds fehl und ich weiß nicht warum.

Die Fehler machen für mich keinen Sinn. Sie sagen mir nicht, welches der Dokumente schlecht ist und warum.

Die Dinge, die sich in den letzten Wochen geändert haben, waren, dass ich meinen Markdown-Editor so verwende, dass er direkt in GitHub integriert ist. Und ich habe dem Kochbuch repl.it-Rezept-Iframes hinzugefügt. Ich glaube, die Readme hat noch keine.

Ich glaube nicht, dass es an den iframes liegt, weil sie im aktuellen Arbeitskochbuch hier installiert sind
http://cookbook.PySimpleGUI.org

Readme ist hier:
http://www.PySimpleGUI.org

Jede Hilfe wäre sehr dankbar!!!

Hier ist ein Beispiel-Build:
https://readthedocs.org/projects/pysimplegui/builds/8589243/

Build #8589243
latest (1eb3c26878e321867fb1dc28d94353d2087fed3f)
Build failed
git clone --no-single-branch --depth 50 https://github.com/PySimpleGUI/PySimpleGUI .
git checkout --force origin/master
git clean -d -f -f
python3.7 -mvirtualenv --no-site-packages --no-download /home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/envs/latest
/home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/envs/latest/bin/python -m pip install --upgrade --cache-dir /home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/.cache/pip pip
/home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/envs/latest/bin/python -m pip install --upgrade --cache-dir /home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/.cache/pip Pygments==2.2.0 setuptools<40 docutils==0.13.1 mock==1.0.1 pillow==2.6.1 alabaster>=0.7,<0.8,!=0.7.5 commonmark==0.5.4 recommonmark==0.4.0 mkdocs==0.17.3
cat mkdocs.yml
python /home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/envs/latest/bin/mkdocs build --clean --site-dir _build/html --config-file /home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/checkouts/latest/mkdocs.yml
INFO    -  Cleaning site directory 
INFO    -  Building documentation to directory: /home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/checkouts/latest/_build/html 
Traceback (most recent call last):
  File "/home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/envs/latest/lib/python3.7/site-packages/mkdocs/nav.py", line 337, in _follow
    raise StopIteration
StopIteration

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/envs/latest/bin/mkdocs", line 10, in <module>
    sys.exit(cli())
  File "/home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/envs/latest/lib/python3.7/site-packages/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/envs/latest/lib/python3.7/site-packages/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/envs/latest/lib/python3.7/site-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/envs/latest/lib/python3.7/site-packages/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/envs/latest/lib/python3.7/site-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/envs/latest/lib/python3.7/site-packages/mkdocs/__main__.py", line 156, in build_command
    ), dirty=not clean)
  File "/home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/envs/latest/lib/python3.7/site-packages/mkdocs/commands/build.py", line 282, in build
    build_pages(config, dirty=dirty)
  File "/home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/envs/latest/lib/python3.7/site-packages/mkdocs/commands/build.py", line 213, in build_pages
    site_navigation = nav.SiteNavigation(config)
  File "/home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/envs/latest/lib/python3.7/site-packages/mkdocs/nav.py", line 44, in __init__
    config, self.url_context)
  File "/home/docs/checkouts/readthedocs.org/user_builds/pysimplegui/envs/latest/lib/python3.7/site-packages/mkdocs/nav.py", line 392, in _generate_site_navigation
    config_line, url_context, config):
RuntimeError: generator raised StopIteration