Importerror: cannot import name ‘builder’ from ‘google.protobuf.internal’

If you are a Python programmer, chances you have encountered an error that reads “ImportError: cannot import name ‘builder’ from ‘google.protobuf.internal'”.

Actually, this error message typically occurs when there is an issue with the Google Protobuf library, which is a powerful tool used for data serialization.

So in this article, we will explore and provide solutions to help you fix it.

How this error occur?

To reproduce this error, you can create a Python script and attempt to import the builder module from the google.protobuf.internal package.

Here is an example:

from google.protobuf.internal import builder

In this script, you should get an ImportError with the message “cannot import name ‘builder’ from ‘google.protobuf.internal’“.

This is when you do not have the Google protobuf library installed or if you are using an outdated version of the library.

Now, let’s explore more on this error!

What is Importerror: cannot import name ‘builder’ from ‘google.protobuf.internal’?

The error ImportError: cannot import name ‘builder’ from ‘google.protobuf.internal’ implies that you are using the outdated version of the Google Protobuf library.

Moreover, your protobuf module might not be installed properly or not literally installed. As a result, the interpreter is having difficulty importing the module.

How to fix cannot import name ‘builder’ from ‘google.protobuf.internal’?

Now, let’s explore some solutions to fix it. Here are some of it which you can take to resolve this issue.

1. Make sure you have the Google protobuf library installed:

You can check if you have the library installed by running the following command in your terminal:

pip show protobuf

If the library is not installed, you can install it by running:

pip install protobuf

2. Upgrade the Google protobuf library

If you already have the library installed but are using an outdated version, you can upgrade it by running the following command.

pip install --upgrade protobuf

3. Clear the protobuf cache

Sometimes, the protobuf cache can become corrupted and cause issues. You can clear the cache by running the following command:

rm -rf ~/.protobuf

Now you can import the “google.protobuf” package in your Python file.

import google.protobuf




Anyway, here are other fixed errors you can consider when somehow you might encounter them.


In conclusion, the ImportError: Cannot Import Name ‘builder’ error message can be caused by various issues with the Google Protobuf library. Understanding the causes of this error message and following the steps outlined in this article can help you resolve the issue and avoid it in the future.

If you found this article helpful, please share it with others who may be experiencing the same issue.

I hope this article has helped you fix the error.

Until next time! 😊