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

mcfinance
0.19.1

This version was deleted from PyPI around 2023-10-14. Installing fails with:
$ pip3 install mcfinance==0.19.1 ERROR: Could not find a version that satisfies the requirement mcfinance==0.19.1
View other deleted versions of mcfinance

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/2023-10-13/ \ mcfinance==0.19.1
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Or, download files manually

And install manually via pip:
mcfinance-0.19.1-py3-none-any.whl (243.6KB)
mcfinance-0.19.1.tar.gz (239.6KB)