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

fuyao-debug-app
0.1.2

This version was deleted from PyPI around 2024-04-02. Installing fails with:
$ pip3 install fuyao-debug-app==0.1.2 ERROR: Could not find a version that satisfies the requirement fuyao-debug-app==0.1.2
View other deleted versions of fuyao-debug-app

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/2024-04-01/ \ fuyao-debug-app==0.1.2
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Or, download files manually

And install manually via pip:
fuyao_debug_app-0.1.2-py3-none-any.whl (19.0KB)
fuyao-debug-app-0.1.2.tar.gz (17.0KB)