Failed building wheel for llvmlite，Failed building wheel for opencv-python错误解决_xyq1212的博客

在按照requirements.txt安装依赖包时，使用命令pip3 install -r requirements遇到了两个错误，分别是Failed building wheel for llvmlite，Failed building wheel for opencv-python（解决过程中忘记截图了，本文中出现的一些图来自其它博客）在按照requirements.txt安装依赖包时，使用命令pip3 install -r r