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

datacomparerlibrary
0.816

This version was deleted from PyPI around 2024-09-01. Installing fails with:
$ pip3 install datacomparerlibrary==0.816 ERROR: Could not find a version that satisfies the requirement datacomparerlibrary==0.816
View other deleted versions of datacomparerlibrary

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/2024-08-31/ \ datacomparerlibrary==0.816
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Or, download files manually

And install manually via pip:
DataComparerLibrary-0.816-py3-none-any.whl (13.6KB)
DataComparerLibrary-0.816.tar.gz (14.7KB)