Try package lua-lgi
I think I had this same issue, and documented it at https://wiki.gimp.org/wiki/Hacking:Problems_and_solutions#luajit:_...mp.2F2.99.2Fplug-ins.2Fgoat-exercise-lua.2Fgoat-exercise-lua.lua:22:_module_.27lgi.27_not_found : _______________________________________________ gimp-developer-list mailing list List address: gimp-developer-list@gnome.org List membership: https://mail.gnome.org/mailman/listinfo/gimp-developer-list List archives: https://mail.gnome.org/archives/gimp-developer-list
