解决Ubuntu安装opencv报ImportError错误，ImportError: libSM.so.6: cannot open shared object file: No such file

提示import CV2 不行，ImportError: libSM.so.6: cannot open shared object file: No such file

解决方案：

sudo apt-get install libsm6(或sudo apt-get install libsm-dev)

sudo apt-get install libxrender1

sudo apt-get install libxext-dev（如果报找不到下载地址，请先执行：apt-get update）