Changelog for python-manilaclient-doc-1.21.2-1.el7.noarch.rpm :

* Wed May 15 2019 RDO 1.21.2-1- Update to 1.21.2
* Tue Jul 31 2018 RDO 1.21.1-1- Update to 1.21.1
* Sun Feb 11 2018 RDO 1.21.0-1- Update to 1.21.0