Thanks for your bugreport. This problem is fixed in 0.3.15 and should be available soon.
** Changed in: gnome-app-install (Ubuntu) Status: Unconfirmed => Fix Committed -- [apport] gnome-app-install crashed with TypeError in __init__() https://launchpad.net/bugs/83179 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs