Currently the CI breaks due to a dependency of black, `click`, breaking with it's latest release with `ImportError: cannot import name '_unicodefun' from 'click'`. Since black does not pin it's version of click it pulls in the latest version containing the breaking change and fails the CI check. This updates black with the patch. [See the original issue here.](https://github.com/psf/black/issues/2964) The rest of the changes are format updates introduced with the latest version of black.
Display individual manifest size in manifest list view.
Also fixes a non-cluster Redis cache bug.
TODO: This requires making extra individiual requests to get the
children manifests. They should probably be cached.
