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

dc-test-petstore-sdk
6.9.1

This version was deleted from PyPI around 2024-06-28. Installing fails with:
$ pip3 install dc-test-petstore-sdk==6.9.1 ERROR: Could not find a version that satisfies the requirement dc-test-petstore-sdk==6.9.1
View other deleted versions of dc-test-petstore-sdk

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/2024-06-27/ \ dc-test-petstore-sdk==6.9.1
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:
DC_Test_petstore_sdk-6.9.1-py3-none-any.whl (22.5KB)
DC-Test-petstore-sdk-6.9.1.tar.gz (14.6KB)