nuwa/stage: links for enpmdatests

root/pypi enpmdatests-1.1.1.tar.gz
root/pypi enpmdatests-1.1.1-py2.py3-none-any.whl
root/pypi ENPMDATests-0.5.0.tar.gz
root/pypi ENPMDATests-0.5.0-py2.py3-none-any.whl
root/pypi enpmdatests-0.5.0-py2.py3-none-any.whl
root/pypi ENPMDATests-0.4.0.tar.gz
root/pypi ENPMDATests-0.4.0-py2.py3-none-any.whl