How Will You Resolve This Error “RuntimeError: failed to execute [‘dot’, ‘-Tpdf’, ‘-O’, ‘test’], make sure the Graphviz executables are on your systems’ path”?

March 11, 2022

Python

Python has become very famous in the last few years. From the interface to the database, it has a plethora of frameworks. It’s all over the place.

However, some of you, the same as us, may still experience several issues when utilizing this program. We get the following notice when trying to install Graphviz: “RuntimeError: failed to execute [‘dot’, ‘-Tpdf’, ‘-O’, ‘test’], make sure the Graphviz executables are on your systems’ path“

This is one common issue that every programmer makes. But, what generates it, what can be done about it? We’ll work together to discover the finest solutions.

When Does This Issue “RuntimeError: failed to execute [‘dot’, ‘-Tpdf’, ‘-O’, ‘test’], make sure the Graphviz executables are on your systems’ path” Happen?

We got Graphviz installed, but we are still having this problem.

RuntimeError: failed to execute ['dot', '-Tpdf', '-O', 'test'], make sure the Graphviz executables are on your systems' path

Three Main Methods

And, you might be ready to fix it with some simple methods.

Solution 1: Use the Graphviz path.

As in this instance, you must set the Graphviz package location in the code.
import os
os.environ["PATH"] += os.pathsep + 'D:/Program Files (x86)/Graphviz2.38/bin/'

Solution 2: Install one Graphviz package in the system

You must install a complete Graphviz package for your machine, not just a Python package. If you’re running an Ubuntu machine, run this code to get Graphviz.

sudo apt-get install graphviz

Solution 3: Download Graphviz for your Windows.

You should download and install the Windows packages from this link.

Install the Graphviz package for Python.

C: Program Files (x86)Graphviz2.38bin should be added to the User path.

C: Program Files (x86)Graphviz2.38bindot.exe should be added to the System Path.

Conclusion

The answers offered above are the greatest for anyone perplexed by the error “RuntimeError: failed to execute [‘dot’, ‘-Tpdf’, ‘-O’, ‘test’], make sure the Graphviz executables are on your systems’ path“

When you still prefer help or have regular Python queries, we offer a strong network where almost everyone is happy to help. Finally, we want to thank everybody for studying and hope you have a nice day full of fresh code ideas.

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