Looks like a fix was just merged to Warehouse: https://github.com/pypa/warehouse/pull/4015
I assume that will go out shortly, so this can probably be ignored. On Wednesday, May 16, 2018 at 1:28:23 PM UTC-7, Alex Becker wrote: > > In the last hour I started observing the following loop: > > https://pypi.org/pypi/nonexistant-package/json -> > https://pypi.org/pypi/nonexistant-package/json/ -> > https://pypi.org/pypi/nonexistant-package/json > > This is breaking pipenv package resolution for us, since we use 2 > different indices and it checks for a 404 from PyPI before going on to the > second one. I assume any pipenv or pip user relying on multiple indices is > currently unable to resolve packages. >