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

ecv-python-helpers
1.0.5

This version was deleted from PyPI around 2024-02-18. Installing fails with:
$ pip3 install ecv-python-helpers==1.0.5 ERROR: Could not find a version that satisfies the requirement ecv-python-helpers==1.0.5
View other deleted versions of ecv-python-helpers

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/2024-02-17/ \ ecv-python-helpers==1.0.5
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:
ecv_python_helpers-1.0.5-py3-none-any.whl (10.5KB)
ecv-python-helpers-1.0.5.tar.gz (6.1KB)