Why pkgconfig?

Also, missing BuildArch: noarch if the package is noarch (as it seems to be).

Do %autosetup -p1 (yes, that should be default, but unfortunately it isn’t for keeping compatibility with other distros), please. Nobody should produce -p0 patches.

Also, what about tests?

Also, please, don’t use just plain %{python_sitelib}/*, that leads to many maintenance problems. Please, do %{python_sitelib/something*.