python3-xstatic-spin 1.2.8.0+dfsg1-2 (arm64 binary) in ubuntu bionic

 XStatic is a Python web development tool for handling required static data
 files from external projects, such as CSS, images, and JavaScript. It provides
 a lightweight infrastructure to manage them via Python modules that your app
 can depend on in a portable, virtualenv-friendly way instead of using embedded
 copies.
 .
 This package provides spin.js support as a Python 3.x module.