python3-sphinx-notfound-page 0.8.3-2 (riscv64 binary) in ubuntu mantic

 sphinx-notfound-page is a Sphinx extension to create custom 404 pages and help
 you to generate proper resource links (js, css, images, etc) to render the page
 properly.
 .
 This extension was originally developed to be used on Read the Docs but it can
 be used in other hosting services as well.