Binary package “python3-sphinx-book-theme” in ubuntu lunar

clean book theme for scientific explanations and documentation with Sphinx

 This is a lightweight Sphinx theme designed to mimic the look-and-feel of an
 interactive book. It has the following primary features:
 .
  * Bootstrap 4 for visual elements and functionality
  * Flexible content layout that is inspired by beautiful online books, such as
    the Edward Tufte CSS guide
  * Visual classes designed for Jupyter Notebooks. Cell inputs, outputs, and
    interactive functionality are all supported
  * Launch buttons for online interactivity. For pages that are built with
    computational material, connect your site to an online BinderHub for
  * interactive content