I assume you have python pointing to python3. Don't do that.
** Changed in: pygtk (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pygtk in Ubuntu. https://bugs.launchpad.net/bugs/1723686 Title: package python-glade2 2.24.0-4ubuntu1 failed to install/upgrade: 依赖关系问题 - 仍未被配置 Status in pygtk package in Ubuntu: Invalid Bug description: when I use the python3.5(default) , sometimes I can`t install software with apt ProblemType: Package DistroRelease: Ubuntu 16.04 Package: python-glade2 2.24.0-4ubuntu1 ProcVersionSignature: Ubuntu 4.10.0-37.41~16.04.1-generic 4.10.17 Uname: Linux 4.10.0-37-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia ApportVersion: 2.20.1-0ubuntu2.10 Architecture: amd64 Date: Sat Oct 14 18:09:38 2017 ErrorMessage: 依赖关系问题 - 仍未被配置 InstallationDate: Installed on 2017-10-11 (3 days ago) InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801) RelatedPackageVersions: dpkg 1.18.4ubuntu1.2 apt 1.2.24 SourcePackage: pygtk Title: package python-glade2 2.24.0-4ubuntu1 failed to install/upgrade: 依赖关系问题 - 仍未被配置 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pygtk/+bug/1723686/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp