Python机器学习——win10 + pycharm + 安装graphviz绘图

graphviz.backend.ExecutableNotFound: failed to execute [‘dot’, ‘-Tpdf’, ‘-O’, ‘tree’], make sure the Graphviz executables are on your systems’ PATH

1.cmd下输入pip install graphviz,提示安装成功
2.pycharm中使用时报错graphviz.backend.ExecutableNotFound: failed to execute [‘dot’, ‘-Tpdf’, ‘-O’, ‘tree’], make sure the Graphviz executables are on your systems’ PATH
3.Graphviz官网下载安装graphviz
我安装的是 graphviz-2.38.zip


4.将安装包进行解压生成的是一个release文件夹，我把它放在我的D盘下面
D:\software\graphviz-2.38\release
5.配置环境变量：将release文件夹下的bin路径加入系统变量的Path中



6. 进入 pycharm 就可以使用graphviz绘图了。