- Debian/Ubuntu:
apt install python3-gi python3-gi-cairo gir1.2-gtk-3.0 - openSUSE:
zypper install python3-gobject gtk3 - Fedora:
dnf install pygobject3 python3-gobject gtk3 - ArchLinux:
pacman -S python-gobject gtk3 - Mac OS X:
brew install pygobject3 gtk+3