How to Fix ModuleNotFoundError: No module named ‘omegaconf’

ModuleNotFoundError: No module named ‘omegaconf’ error occurs when trying to import the OmegaConf package, but it hasn’t been installed on your machine or is unavailable in the current environment.

Here are three solutions to fix the error:

  1. Install the “omegaconf” package using pip.
  2. Ensure you are using the correct environment.
  3. Verify the import.


Flowchart of why the error occurs and its solution

How to fix the error?

Solution 1: Installing the omegaconf module

  1. Open a terminal or command prompt.
  2. Run the following command:
    pip install omegaconf
    # OR
    python3 -m pip install omegaconf

This command will install the omegaconf package, and you should be able to import it without any issues.

If you’re using a Jupyter Notebook or Google Colab, you can install the package directly within a notebook cell by running the:

!pip install omegaconf

Once the installation is complete, you can import the “omegaconf” module in your Python code:

import omegaconf

Solution 2: Ensure you are using the correct environment

An alternate solution is to ensure that your Python code is executed in the same environment where OmegaConf is installed. Before executing your code, activate any virtual environment that is being used.

Solution 3: Verify the import

Verify that the OmegaConf package is being imported correctly into the Python code. The import statement should look like this:

from omegaconf import OmegaConf

If you encounter permission errors during installation, you might need to add the –user flag to install the package locally in your user directory:

pip install omegaconf --user

That’s it.

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