[Python-modules-team] Bug#965013: quart FTBFS: no theme named 'pydata_sphinx_theme' found

[Adrian Bunk]

Source: quart
Version: 0.12.0-1
Severity: serious
Tags: ftbfs

https://buildd.debian.org/status/fetch.php?pkg=quart&arch=all&ver=0.12.0-1&stamp=1594718034&raw=0

...
/usr/bin/make -C docs clean html SPHINXBUILD=sphinx-build SPHINXOPTS="-N -D html_last_updated_fmt=\"14 July 2020\""
make[2]: Entering directory '/<<PKGBUILDDIR>>/docs'
Running Sphinx v2.4.3
making output directory... done

Theme error:
no theme named 'pydata_sphinx_theme' found (missing theme.conf?)
make[2]: *** [Makefile:20: html] Error 2