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

ecv-python-development
0.0.8

This version was deleted from PyPI around 2024-04-24. Installing fails with:
$ pip3 install ecv-python-development==0.0.8 ERROR: Could not find a version that satisfies the requirement ecv-python-development==0.0.8
View other deleted versions of ecv-python-development

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/2024-04-23/ \ ecv-python-development==0.0.8
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_development-0.0.8-py3-none-any.whl (28.0KB)
ecv-python-development-0.0.8.tar.gz (15.8KB)