Name of the addon
m.tnm.download and m.cdo.download

Describe the bug
Windows compilation fails because external Python package requests is not available:
https://wingrass.fsv.cvut.cz/grass83/addons/grass-8.3.1/logs/m.tnm.download.log

I would suggest either add lazy loading to avoid the building issues on the server, or reimplement it with urllib which is readily available.