1切换默认python版本
https://www.cnblogs.com/kekeoutlook/p/13747606.html
2安装软件
https://github.com/tzutalin/labelImg
Python 3 + Qt5 (Recommended)
sudo apt-get install pyqt5-dev-tools sudo pip3 install pyqt5
sudo pip3 install lxml==4.2.4
make qt5py3
python3 labelImg.py
python3 labelImg.py [IMAGE_PATH] [PRE-DEFINED CLASS FILE]