当出现类似这类错误:
The following packages have unmet dependencies: python-dev : Depends: python (= 2.7.5-5ubuntu3) but 2.7.12-1~16.04 is to be installed Depends: libpython-dev (= 2.7.5-5ubuntu3) but it is not going to be installed Depends: python2.7-dev (>= 2.7.5-1~) but it is not going to be installed E: Unable to correct problems, you have held broken packages.
这是由于安装包的版本太新,其依赖包和旧版本冲突导致。
网上常见解决方法:apt-get -f install,but it doesn't work for me,或者说使用aptitude的,试了下很慢。
后来我把阿里源换回Ubuntu原生的源就可以安装了,因为阿里源的包太新。
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