Error

Command /home/docs/checkouts/readthedocs.org/user_builds/magicbus/envs/stable/bin/python -m sphinx -T -E -W --keep-going -b html -d _build/doctrees -D language=en . _build/html failed: Running Sphinx v4.4.0 loading translations [en]... done making output directory... done WARNING: You are using pip version 21.3.1; however, version 22.0.3 is available. You should consider upgrading via the '/home/docs/checkouts/readthedocs.org/user_builds/magicbus/envs/stable/bin/python -m pip install --upgrade pip' command. WARNING: You are using pip version 21.3.1; however, version 22.0.3 is available. You should consider upgrading via the '/home/docs/checkouts/readthedocs.org/user_builds/magicbus/envs/stable/bin/python -m pip install --upgrade pip' command. building [mo]: targets for 0 po files that are out of date building [html]: targets for 2 source files that are out of date updating environment: [new config] 2 added, 0 changed, 0 removed reading sources... [ 50%] history reading sources... [100%] index WARNING: autodoc: failed to import module 'skeleton'; the following exception was raised: No module named 'skeleton' looking for now-outdated files... none found pickling environment... done checking consistency... done preparing documents... done writing output... [ 50%] history writing output... [100%] index generating indices... genindex done writing additional pages... search done copying static files... done copying extra files... done dumping search index in English (code: en)... done dumping object inventory... done build finished with problems, 1 warning. Updating searchtools for Read the Docs search...