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

ns-asphalt9
1.2.24

This version was deleted from PyPI around 2024-06-17. Installing fails with:
$ pip3 install ns-asphalt9==1.2.24 ERROR: Could not find a version that satisfies the requirement ns-asphalt9==1.2.24
View other deleted versions of ns-asphalt9

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/2024-06-16/ \ ns-asphalt9==1.2.24
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Or, download files manually

And install manually via pip:
ns_asphalt9-1.2.24-py3-none-any.whl (382.1KB)
ns_asphalt9-1.2.24.tar.gz (375.0KB)