style: bump black (#196)
style: bump black (#196)

Signed-off-by: Henry Schreiner <bd7e3ce38f98be09c1400692efd0a63093148e8b@gmail.com>
scikit-hep/scikit-hep.github.io,scikit-hep/scikit-hep.github.io,scikit-hep/scikit-hep.github.io,scikit-hep/scikit-hep.github.io