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

stellar-spice
0.10

This version was deleted from PyPI around 2025-04-02. Installing fails with:
$ pip3 install stellar-spice==0.10 ERROR: Could not find a version that satisfies the requirement stellar-spice==0.10
View other deleted versions of stellar-spice

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/2025-04-01/ \ stellar-spice==0.10
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Or, download files manually

And install manually via pip:
stellar_spice-0.10-py3-none-any.whl (499.4KB)
stellar_spice-0.10.tar.gz (490.5KB)