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

arcgisfeaturecash
0.0.3.dev1

This version was deleted from PyPI around 2025-04-16. Installing fails with:
$ pip3 install arcgisfeaturecash==0.0.3.dev1 ERROR: Could not find a version that satisfies the requirement arcgisfeaturecash==0.0.3.dev1
View other deleted versions of arcgisfeaturecash

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/2025-04-15/ \ arcgisfeaturecash==0.0.3.dev1
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Or, download files manually

And install manually via pip:
arcgisfeaturecash-0.0.3.dev1-py3-none-any.whl (11.8KB)
arcgisfeaturecash-0.0.3.dev1.tar.gz (12.0KB)