graphviz.backend.ExecutableNotFound: failed to execute ['dot', '-Tpng', '-O', 't est.gv']问题解决方法
问题描述:在调用Graphviz的Source类画图时,报错信息如下图所示:1).FileNotFoundError:[WinError2]系统找不到指定的文件。2).graphviz.backend.ExecutableNotFound:failedtoexecute['dot','-Tpng','-O','test.gv'],makesuretheGraphvizexecutablesareo