The yummy_sphinx_theme is created from DONGChuan's Yummy-Jekyll

There are two ways to install these themes

Download the package and add sphinx to your requirements.txt file:

pip install yummy_sphinx_theme

In your conf.py file:

html_theme = "yummy_sphinx_theme"

Download the yummy_sphinx_theme folder into your documentation at docs/_themes/ then add the following two lines to your Sphinx conf.py file:

html_theme = "yummy_sphinx_theme"
html_theme_path = ["_themes", ]