win10下Keras可视化报错：OSError: `pydot` failed to call GraphViz

Window环境下keras的模型可视化，报错OSError: `pydot` failed to call GraphViz.Please install GraphViz (https://www.graphviz.org/) and ens

1、安装pydot

首先下载下面三个模块

pip install graphviz

pip install pydot

pip install pydot_ng

2、安装GraphViz

http://www.graphviz.org/

安装路径：D:\Program Files\Graphviz2.38

设置环境变量

3、修改pydot.py

D:\Program Files\Anaconda3\Lib\site-packages\pydot.py

修改set_prog函数如下：

修改create函数如下：

4、可视化成功

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