sudo mv /etc/apt/sources.list.distUpgrade /etc/apt/sources.list sudo apt update sudo apt install python3-apt=1.8.4 sudo do-release-upgrade
That gets it going for Lubuntu 19.04 to 19.10 upgrade.
sudo mv /etc/apt/ sources. list.distUpgrad e /etc/apt/ sources. list
sudo apt update
sudo apt install python3-apt=1.8.4
sudo do-release-upgrade
That gets it going for Lubuntu 19.04 to 19.10 upgrade.