tree 204c7d53b0eecf06cba8a21b395d5adbd2959472
parent d8c724e9dc4aa3f0d2850b0ad165f7a897d2dfbf
author wang wei <wangwei.cs@gmail.com> 1595239373 +0800
committer wang wei <wangwei.cs@gmail.com> 1595239373 +0800

add the instructions of using pip