Install gir1.2-dee-1.0 by entering the following commands in the terminal:
sudo apt update sudo apt install gir1.2-dee-1.0
Description:
GObject introspection data for the Dee library
This package contains introspection data for the Dee library. . It can be used by packages using the GIRepository format to generate dynamic bindings.
Homepage: https://launchpad.net/dee
Version: 1.2.7+17.10.20170616-0ubuntu4
Section: introspection