root/pypi: links for python-potr

root/pypi python-potr-1.0.2.tar.gz
root/pypi python-potr-1.0.1.zip
root/pypi python-potr-1.0.0.tar.gz
root/pypi python-potr-1.0.0b7.tar.gz
root/pypi python-potr-1.0.0b5.tar.gz