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

bcutil-jdk18on
1.78.1

This version was deleted from PyPI around 2025-07-15. Installing fails with:
$ pip3 install bcutil-jdk18on==1.78.1 ERROR: Could not find a version that satisfies the requirement bcutil-jdk18on==1.78.1
View other deleted versions of bcutil-jdk18on

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/2025-07-14/ \ bcutil-jdk18on==1.78.1
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:
bcutil-jdk18on-1.78.1.tar.gz (0.7KB)