Install gir1.2-ukwm-1 by entering the following commands in the terminal:
sudo apt update sudo apt install gir1.2-ukwm-1
Description:
GObject introspection data for Ukwm
Ukwm is a small window manager, using GTK+ and Clutter to do everything. . Ukwm is the clutter-based evolution of Metacity, which, as the author says, is a "Boring window manager for the adult in you. Many window managers are like Marshmallow Froot Loops; Metacity is like Cheerios." . This package contains the GObject introspection data which may be used to generate dynamic bindings.
Homepage: https://github.com/ukui/ukwm
Version: 1.1.8-0ubuntu1
Section: universe/introspection