See https://copr.fedorainfracloud.org/coprs/g/python/python3.8/package/python-colorspacious/ for actual logs. This report is automated and not very verbose, but feel free to ping me for help.
Executing(%build): /bin/sh -e /var/tmp/rpm-tmp.0Usxlu + umask 022 + cd /builddir/build/BUILD + cd colorspacious-1.1.2 + pushd doc ++ realpath '../build/lib.linux*' realpath: '../build/lib.linux*': No such file or directory + PYTHONPATH= + make html /builddir/build/BUILD/colorspacious-1.1.2/doc/../colorspacious/comparison.py:11: SyntaxWarning: invalid escape sequence \D """Computes the :math:`\Delta E` distance between pairs of colors. Configuration error: There is a programmable error in your configuration file: Traceback (most recent call last): File "/usr/lib/python3.8/site-packages/sphinx/config.py", line 361, in eval_config_file execfile_(filename, namespace) File "/usr/lib/python3.8/site-packages/sphinx/util/pycompat.py", line 86, in execfile_ exec(code, _globals) File "/builddir/build/BUILD/colorspacious-1.1.2/doc/conf.py", line 145, in <module> import sphinx_rtd_theme ModuleNotFoundError: No module named 'sphinx_rtd_theme' This was just a missing BR. Pushed.