post_install() {
    echo ":: Add your user to the uucp group for non-root access:"
    echo "   sudo usermod -aG uucp \$USER"
    echo ":: Reload udev rules:"
    echo "   sudo udevadm control --reload-rules"
    echo ":: Re-plug your CP210x device for changes to take effect"
}

post_upgrade() {
    post_install
}