No matching distribution found for Cython==0.29.14 during Windows build

[mpenkov]

e.g. https://ci.appveyor.com/project/piskvorky/gensim-wheels-2x1bk/builds/36107296/job/78kccrwpunaurecd

pip install --pre --no-index --force-reinstall --find-links dist/ gensim
Looking in links: dist/
Processing c:\projects\gensim-wheels-2x1bk\gensim\dist\gensim-4.0.0b0-cp36-cp36m-win_amd64.whl
ERROR: Could not find a version that satisfies the requirement Cython==0.29.14 (from gensim) (from versions: none)
ERROR: No matching distribution found for Cython==0.29.14 (from gensim)
Command exited with code 1
ls -laht ../gensim/dist/

This seems to happen after the wheel gets built, so after cythonizing the extension, so surely Cython must be available... right?

[piskvorky]

Cython should not be needed at all, when installing from a binary wheel.

[mpenkov]

This isn't happening anymore, so closing.