root/pypi: links for pyextrica

root/pypi pyextrica-17.2.2.tar.gz
root/pypi pyextrica-17.2.2-py3-none-any.whl
root/pypi pyextrica-17.2.1.tar.gz
root/pypi pyextrica-17.2.1-py3-none-any.whl
root/pypi pyextrica-17.2.0.tar.gz
root/pypi pyextrica-17.2.0-py3-none-any.whl