# 打开annocada prompt输入:
pip install pydotplus
pip install graphviz
下载地址:http://www.graphviz.org/download/
config-Graphviz-environment-var.png
InvocationException: GraphViz's executables not found 解决方案
参考: https://blog.csdn.net/hawk_2016/article/details/82254228
import os
os.environ["PATH"] += os.pathsep + 'D:/Program Files (x86)/Graphviz2.38/bin/' #注意修改你的路径
感谢帮助!