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

gen-data-model
2.3.5

This version was deleted from PyPI around 2024-07-09. Installing fails with:
$ pip3 install gen-data-model==2.3.5 ERROR: Could not find a version that satisfies the requirement gen-data-model==2.3.5
View other deleted versions of gen-data-model

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/2024-07-08/ \ gen-data-model==2.3.5
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Or, download files manually

And install manually via pip:
gen_data_model-2.3.5-py3-none-any.whl (33.1KB)
gen_data_model-2.3.5.tar.gz (24.3KB)