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

mdbq
4.1.12

This version was deleted from PyPI around 2025-09-30. Installing fails with:
$ pip3 install mdbq==4.1.12 ERROR: Could not find a version that satisfies the requirement mdbq==4.1.12
View other deleted versions of mdbq

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/2025-09-29/ \ mdbq==4.1.12
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Or, download files manually

And install manually via pip:
mdbq-4.1.12-py3-none-any.whl (183.6KB)
mdbq-4.1.12.tar.gz (169.9KB)