root/pypi: links for stpip

root/pypi stpip-19.5.0.tar.gz
root/pypi stpip-19.3.6.tar.gz
root/pypi stpip-19.3.5.tar.gz
root/pypi stpip-19.3.4.tar.gz
root/pypi stpip-19.3.3.tar.gz
root/pypi stpip-19.3.1.tar.gz
root/pypi stpip-19.3.0.tar.gz