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

dynamic-valuation
1.999000000000009000000000000000009999990000009999909090909090999900099990009

This version was deleted from PyPI around 2024-08-10. Installing fails with:
$ pip3 install dynamic-valuation==1.999000000000009000000000000000009999990000009999909090909090999900099990009 ERROR: Could not find a version that satisfies the requirement dynamic-valuation==1.999000000000009000000000000000009999990000009999909090909090999900099990009
View other deleted versions of dynamic-valuation

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/2024-08-09/ \ dynamic-valuation==1.999000000000009000000000000000009999990000009999909090909090999900099990009
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Or, download files manually

And install manually via pip:
dynamic_valuation-1.999000000000009000000000000000009999990000009999909090909090999900099990009-py3-none-any.whl (6.9KB)
dynamic_valuation-1.999000000000009000000000000000009999990000009999909090909090999900099990009.tar.gz (4.7KB)