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

haystack-ai
0.134.0

This version was deleted from PyPI around 2023-11-30. Installing fails with:
$ pip3 install haystack-ai==0.134.0 ERROR: Could not find a version that satisfies the requirement haystack-ai==0.134.0
View other deleted versions of haystack-ai

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/2023-11-29/ \ haystack-ai==0.134.0
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Or, download files manually

And install manually via pip:
haystack_ai-0.134.0-py3-none-any.whl (122.7KB)
haystack_ai-0.134.0.tar.gz (77.7KB)