mmcv-full（mmcv）安装失败的方法以及.ext的报错
pip install mmcv-full==1.1.5 -f https://download.openmmlab.com/mmcv/dist/cu101/torch1.6.0/index.html其中mmcv-full的版本可以换，比如1.2.2安装mmcv步骤1. pip install pytest-runner -i http://pypi.douban.com/simple --trusted-host pypi.douban.com2. pip install mmcv ...
