Install pydot and install graphviz

I encountered the following problem when running keras code：

Here is my solution:

Download | Graphviz

Then run the exe to install graphviz:

Here I choose  "add Graphviz to the system path" so that I don not add it to path manually.

Input  " dot -V " to test in the cmd:

The  install pydot in the cmd:

pip install pydot

Finally, run again: