解决failed to execute ['dot', '-Tpdf', '-O', 'test'], make sure the Graphviz executables are on your systems' path
Graphviz的安装 - windows环境下
1. 官网下载
http://www.graphviz.org/
往下拉,选择这一个
点进去,选择msi文件下载
1. 官网下载
http://www.graphviz.org/
往下拉,选择这一个
点进去,选择msi文件下载