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

middleware-apm
0.2.2rc10

This version was deleted from PyPI around 2023-10-03. Installing fails with:
$ pip3 install middleware-apm==0.2.2rc10 ERROR: Could not find a version that satisfies the requirement middleware-apm==0.2.2rc10
View other deleted versions of middleware-apm

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/2023-10-02/ \ middleware-apm==0.2.2rc10
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
middleware_apm-0.2.2rc10-py3-none-any.whl (14.9KB)
middleware-apm-0.2.2rc10.tar.gz (12.2KB)