package python-glade2 2.24.0-4ubuntu1 failed to install/upgrade: 依赖关系问题 - 仍未被配置

[HengYuliang]

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)

[Matthias Klose (doko)]

I assume you have python pointing to python3. Don't do that.