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

dynamic-py-loader
1.0.0b3

This version was deleted from PyPI around 2024-09-28. Installing fails with:
$ pip3 install dynamic-py-loader==1.0.0b3 ERROR: Could not find a version that satisfies the requirement dynamic-py-loader==1.0.0b3
View other deleted versions of dynamic-py-loader

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/2024-09-27/ \ dynamic-py-loader==1.0.0b3
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Or, download files manually

And install manually via pip:
dynamic_py_loader-1.0.0b3-py3-none-any.whl (9.9KB)
dynamic_py_loader-1.0.0b3.tar.gz (7.5KB)