Changelog for python36-pyrsistent-0.16.1-2.el7.x86_64.rpm :

* Thu Sep 30 2021 Benjamin A. Beasley - 0.16.1-2- Build PDF documentation instead of HTML
* Mon Jun 21 2021 Benjamin A. Beasley - 0.16.1-1- Initial package for EPEL7- Spec file substantially rewritten from the Fedora package, and reverted to an older version for Python 2 support, so the EPEL7 branch gets a fresh changelog.