root/pypi: links for chaussette-backport

root/pypi chaussette-backport-1.3.1.tar.gz
root/pypi chaussette_backport-1.3.1-py2.py3-none-any.whl
root/pypi chaussette-backport-1.3.0.tar.gz
root/pypi chaussette_backport-1.3.0-py2.py3-none-any.whl