My previous switch to github release tarball actually broke the package
and it turns out that tests pass fine under the PyPI package. The move
to pytest turned out to be sufficient to fix tests for this package.
Oops.
Package-Manager: Portage-2.3.44, Repoman-2.3.10
DESCRIPTION="Python API and tools to manipulate OpenDocument files"
HOMEPAGE="https://github.com/eea/odfpy https://pypi.org/project/odfpy/"
-SRC_URI="https://github.com/eea/${PN}/archive/release-${PV}.tar.gz -> ${P}.tar.gz"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
LICENSE="Apache-2.0 GPL-2 LGPL-2.1"
SLOT="0"