安装graphviz报错:There is no layout engine support for “dot“

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使用丘比特笔记本安装graphviz时,使用

pip install graphviz

但是使用时,创建决策树分类器发现无法显示图像,报错如下:

只需要在丘比特笔记本上输入

!dot -c

再重新运行一次代码,问题就解决了!

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