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

mdbq
4.0.49

This version was deleted from PyPI around 2025-07-02. Installing fails with:
$ pip3 install mdbq==4.0.49 ERROR: Could not find a version that satisfies the requirement mdbq==4.0.49
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/2025-07-01/ \ mdbq==4.0.49
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Or, download files manually

And install manually via pip:
mdbq-4.0.49-py3-none-any.whl (136.6KB)
mdbq-4.0.49.tar.gz (126.6KB)