执行

qmake -v

出现错误:qmake: could not exec ‘/usr/lib/x86_64-linux-gnu/qt4/bin/qmake’: No such file or directory

分析:
qtchooser默认选择路径中没有指向qmake路径

解决方法:

cd /usr/lib/x86_64-linux-gnu/qt-default/qtchooser
sudo  rm default.conf

重新安装Pyqt5

sudo apt-get install qt5-default
sudo apt-get install qttools5-dev-tools

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