Vanished dependency: gir1.2-launchpad-integration-3.0

gir1.2-launchpad-integration-3.0 repository support has been discontinued

Though you can install using debian installer

• gir1.2-launchpad-integration-3.0_0.1.56_amd64.deb

• gir1.2-launchpad-integration-3.0_0.1.56_i386.deb

It has dependencies which needs to be met that can also be downloaded

(1) liblaunchpad-integration-common

(2) liblaunchpad-integration-3.0

• 64-bit version

• 32-bit version

Start from installing liblaunchpad-integration-common

sudo dpkg -i liblaunchpad-integration-common_0.1.56.1_all.deb

Then install liblaunchpad-integration-3.0

sudo dpkg -i liblaunchpad-integration-3.0-1_0.1.56_amd64.deb 

Finally install gir1.2-launchpad-integration-3.0

sudo dpkg -i gir1.2-launchpad-integration-3.0_0.1.56_amd64.deb

Et Volia! you are done.