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

jcvi
1.4.9

This version was deleted from PyPI around 2024-05-20. Installing fails with:
$ pip3 install jcvi==1.4.9 ERROR: Could not find a version that satisfies the requirement jcvi==1.4.9
View other deleted versions of jcvi

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/2024-05-19/ \ jcvi==1.4.9
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
jcvi-1.4.9-cp310-cp310-macosx_11_0_arm64.whl (949.1KB)
jcvi-1.4.9.tar.gz (761.1KB)