Resolved by running: sudo pip3 uninstall click sudo apt-get upgrade And optionally but recommended "sudo apt autoremove" for cleanup after upgrade
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to url-dispatcher in Ubuntu. https://bugs.launchpad.net/bugs/1639477 Title: package url-dispatcher 0.1+16.04.20151110-0ubuntu2 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1 Status in url-dispatcher package in Ubuntu: Confirmed Bug description: During upgrade to 16.10 ProblemType: Package DistroRelease: Ubuntu 16.10 Package: url-dispatcher 0.1+16.04.20151110-0ubuntu2 ProcVersionSignature: Ubuntu 4.4.0-46.67-generic 4.4.24 Uname: Linux 4.4.0-46-generic x86_64 NonfreeKernelModules: nvidia_uvm wl nvidia_drm nvidia_modeset nvidia ApportVersion: 2.20.3-0ubuntu8 Architecture: amd64 Date: Sat Nov 5 10:02:10 2016 ErrorMessage: subprocess new pre-removal script returned error exit status 1 InstallationDate: Installed on 2016-05-04 (184 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) RelatedPackageVersions: dpkg 1.18.10ubuntu1 apt 1.3.1 SourcePackage: url-dispatcher Title: package url-dispatcher 0.1+16.04.20151110-0ubuntu2 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1 UpgradeStatus: Upgraded to yakkety on 2016-11-05 (0 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/url-dispatcher/+bug/1639477/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp