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

eef-data
0.57

This version was deleted from PyPI around 2025-07-29. Installing fails with:
$ pip3 install eef-data==0.57 ERROR: Could not find a version that satisfies the requirement eef-data==0.57
View other deleted versions of eef-data

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/2025-07-28/ \ eef-data==0.57
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Or, download files manually

And install manually via pip:
eef_data-0.57-py3-none-any.whl (101.4KB)
eef-data-0.57.tar.gz (126.4KB)