root/pypi: links for pyrimidine

root/pypi pyrimidine-1.7.3.tar.gz
root/pypi pyrimidine-1.7.3-py3-none-any.whl
root/pypi pyrimidine-1.7.tar.gz
root/pypi pyrimidine-1.7-py3-none-any.whl
root/pypi pyrimidine-1.6.tar.gz
root/pypi pyrimidine-1.6-py3-none-any.whl