You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

igm-model-dev
2.1.0

This version was deleted from PyPI around 2024-02-14. Installing fails with:
$ pip3 install igm-model-dev==2.1.0 ERROR: Could not find a version that satisfies the requirement igm-model-dev==2.1.0
View other deleted versions of igm-model-dev

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2024-02-13/ \ igm-model-dev==2.1.0
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
igm_model_dev-2.1.0-py3-none-any.whl (7.8MB)
igm-model-dev-2.1.0.tar.gz (7.7MB)