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

vz-test-package-sdk
20.20.10

This version was deleted from PyPI around 2025-11-21. Installing fails with:
$ pip3 install vz-test-package-sdk==20.20.10 ERROR: Could not find a version that satisfies the requirement vz-test-package-sdk==20.20.10
View other deleted versions of vz-test-package-sdk

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/2025-11-20/ \ vz-test-package-sdk==20.20.10
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:
vz_test_package_sdk-20.20.10-py3-none-any.whl (1.5MB)
vz_test_package_sdk-20.20.10.tar.gz (411.3KB)