pip2pi broken on RHEL7.2 ?

[fxpester]

pip2pi ./ diskimage-builder pip2tgz ./ diskimage-builder dir2pi --normalize-package-names ./

pip install diskimage-builder --index=http://127.0.0.1/pip-packages/ returns: "Collecting diskimage-builder Could not find a version that satisfies the requirement diskimage-builder (from versions: ) No matching distribution found for diskimage-builder " curl -I http://127.0.0.1/pip-packages/simple/diskimage-builder/diskimage-builder-1.21.0-py2.py3-none-any.whl | head -n1 HTTP/1.1 200 OK