When running the replication/python/swh_count_origins.py script in https://annex.softwareheritage.org/public/dataset/license-blobs/2022-04-25/replication-package.tar.gz , these two contents cause a 500 error:

swh:1:cnt:e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
swh:1:cnt:8b137891791fe96927ad78e64b0aad7bded08bdc