sudo pip install -r requirements.txt

Ubuntu
    sudo apt install python3-gi python3-gi-cairo gir1.2-gtk-3.0

Arch
    sudo pacman -S python-gobject gtk3

Fedora
    sudo dnf install pygobject3 python3-gobject gtk3

openSUSE
    sudo zypper install python3-gobject gtk3

python3 spryte.py