This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/sle-15-sp6/containerfile/containers/python:3.9
  docker pull registry.opensuse.org/devel/bci/sle-15-sp6/containerfile/containers/python:3.9.20
  docker pull registry.opensuse.org/devel/bci/sle-15-sp6/containerfile/containers/python:3.9.20-63.1

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.